def _find_auth_uri(self, response):
"""
Analyze a 200 response and report any findings of http://user:[email protected]/
:return: None
"""
#
# Analyze the HTTP URL
#
if self._url_has_auth(response.get_uri()):
# An authentication URI was found!
desc = ('The resource: "%s" has a user and password in'
' the URI.')
desc %= response.get_uri()
v = Vuln('Basic HTTP credentials', desc, severity.HIGH,
response.id, self.get_name())
v.set_url(response.get_url())
v.add_to_highlight(response.get_uri().url_string)
kb.kb.append(self, 'userPassUri', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
#
# Analyze the HTTP response body
#
url_list = []
try:
document_parser = parser_cache.dpc.get_document_parser_for(response)
except BaseFrameworkException as e:
msg = 'Failed to find a suitable document parser. Exception: "%s"'
om.out.debug(msg % e)
else:
parsed_references, re_references = document_parser.get_references()
url_list.extend(parsed_references)
url_list.extend(re_references)
for url in url_list:
if self._url_has_auth(url):
desc = ('The resource: "%s" has a user and password in the'
' body. The offending URL is: "%s".')
desc %= (response.get_url(), url)
v = Vuln('Basic HTTP credentials', desc,
severity.HIGH, response.id, self.get_name())
v.set_url(response.get_url())
v.add_to_highlight(url.url_string)
kb.kb.append(self, 'userPassUri', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def _classic_worker(self, gh, search_term):
"""
Perform the searches and store the results in the kb.
"""
google_list = self._google_se.get_n_results(search_term, 9)
for result in google_list:
# I found a vuln in the site!
response = self._uri_opener.GET(result.URL, cache=True)
if not is_404(response):
desc = 'ghdb plugin found a vulnerability at URL: "%s".' \
' According to GHDB the vulnerability description'\
' is "%s".'
desc = desc % (response.get_url(), gh.desc)
v = Vuln('Google hack database match', desc,
severity.MEDIUM, response.id, self.get_name())
v.set_url(response.get_url())
v.set_method('GET')
kb.kb.append(self, 'vuln', v)
om.out.vulnerability(v.get_desc(), severity=severity.LOW)
# Create the fuzzable requests
for fr in self._create_fuzzable_requests(response):
self.output_queue.put(fr)
def disable_functions(response):
regex_str = 'disable_functions</td><td class="v">(.*?)</td>'
disable_functions_mo = re.search(regex_str, response.get_body(), re.I)
if not disable_functions_mo:
return
secure_df = 8
df = disable_functions_mo.group(1)
dfe = df.split(',')
if len(dfe) >= secure_df:
return
desc = ('The phpinfo()::disable_functions does NOT seem to be set. This'
' configuration parameter is a good indicator of a security'
'-enabled PHP installation. The disabled functions are: %s')
desc %= (', '.join(dfe), )
v = Vuln('PHP disable_functions weakness', desc, severity.MEDIUM,
response.id, 'phpinfo')
v.set_url(response.get_url())
kb.kb.append('phpinfo', 'phpinfo', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def _check_if_exists(self, web_shell_url):
"""
Check if the file exists.
:param web_shell_url: The URL to check
"""
try:
response = self._uri_opener.GET(web_shell_url, cache=True)
except BaseFrameworkException:
om.out.debug('Failed to GET webshell:' + web_shell_url)
else:
signature = self._match_signature(response)
if signature is None:
return
desc = (u'An HTTP response matching the web backdoor signature'
u' "%s" was found at: "%s"; this could indicate that the'
u' server has been compromised.')
desc %= (signature, response.get_url())
# It's probability is higher if we found a long signature
_severity = severity.HIGH if len(
signature) > 8 else severity.MEDIUM
v = Vuln(u'Potential web backdoor', desc, _severity, response.id,
self.get_name())
v.set_url(response.get_url())
kb.kb.append(self, 'backdoors', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
fr = FuzzableRequest.from_http_response(response)
self.output_queue.put(fr)
def _classic_worker(self, gh, search_term):
"""
Perform the searches and store the results in the kb.
"""
google_list = self._google_se.get_n_results(search_term, 9)
for result in google_list:
# I found a vuln in the site!
response = self._uri_opener.GET(result.URL, cache=True)
if not is_404(response):
desc = ('ghdb plugin found a vulnerability at URL: "%s".'
' According to GHDB the vulnerability description'
' is "%s".')
desc %= (response.get_url(), gh.desc)
v = Vuln('Google hack database match', desc, severity.MEDIUM,
response.id, self.get_name())
v.set_url(response.get_url())
v.set_method('GET')
kb.kb.append(self, 'vuln', v)
om.out.vulnerability(v.get_desc(), severity=severity.LOW)
# Create the fuzzable requests
fr = FuzzableRequest(response.get_url())
self.output_queue.put(fr)
def _find_auth_uri(self, response):
"""
Analyze a 200 response and report any findings of http://user:[email protected]/
:return: None
"""
#
# Analyze the HTTP URL
#
if ('@' in response.get_uri()
and self._auth_uri_regex.match(response.get_uri().url_string)):
# An authentication URI was found!
desc = 'The resource: "%s" has a user and password in' \
' the URI.'
desc = desc % response.get_uri()
v = Vuln('Basic HTTP credentials', desc, severity.HIGH,
response.id, self.get_name())
v.set_url(response.get_url())
v.add_to_highlight(response.get_uri().url_string)
kb.kb.append(self, 'userPassUri', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
#
# Analyze the HTTP response body
#
url_list = []
try:
DocumentParser = parser_cache.dpc.get_document_parser_for(response)
except BaseFrameworkException, w3:
msg = 'Failed to find a suitable document parser. ' \
'Exception: ' + str(w3)
om.out.debug(msg)
def crawl(self, fuzzable_request):
"""
Plugin entry point, performs all the work.
"""
to_check = self._get_to_check(fuzzable_request.get_url())
# I found some URLs, create fuzzable requests
pt_matches = self._is_in_phishtank(to_check)
for ptm in pt_matches:
fr = FuzzableRequest(ptm.url)
self.output_queue.put(fr)
# Only create the vuln object once
if pt_matches:
desc = 'The URL: "%s" seems to be involved in a phishing scam.' \
' Please see %s for more info.'
desc = desc % (ptm.url, ptm.more_info_url)
v = Vuln('Phishing scam', desc, severity.MEDIUM, [],
self.get_name())
v.set_url(ptm.url)
kb.kb.append(self, 'phishtank', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def _lowest_privilege_test(self, response):
regex_str = 'User/Group </td><td class="v">(.*?)\((\d.*?)\)/(\d.*?)</td>'
lowest_privilege_test = re.search(regex_str, response.get_body(), re.I)
if lowest_privilege_test:
lpt_uname = lowest_privilege_test.group(1)
lpt_uid = lowest_privilege_test.group(2)
lpt_uid = int(lpt_uid)
lpt_gid = lowest_privilege_test.group(3)
if lpt_uid < 99 or lpt_gid < 99 or \
re.match('root|apache|daemon|bin|operator|adm', lpt_uname, re.I):
desc = 'phpinfo()::PHP may be executing as a higher privileged'\
' group. Username: %s, UserID: %s, GroupID: %s.'
desc = desc % (lpt_uname, lpt_uid, lpt_gid)
v = Vuln('PHP lowest_privilege_test:fail', desc,
severity.MEDIUM, response.id, self.get_name())
v.set_url(response.get_url())
kb.kb.append(self, 'phpinfo', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
else:
lpt_name = 'privilege:' + lpt_uname
lpt_desc = 'phpinfo()::PHP is executing under '
lpt_desc += 'username: '******', '
lpt_desc += 'userID: ' + str(lpt_uid) + ', '
lpt_desc += 'groupID: ' + lpt_gid
i = Info(lpt_name, lpt_desc, response.id, self.get_name())
i.set_url(response.get_url())
kb.kb.append(self, 'phpinfo', i)
om.out.information(i.get_desc())
def _find_auth_uri(self, response):
"""
Analyze a 200 response and report any findings of http://user:[email protected]/
:return: None
"""
#
# Analyze the HTTP URL
#
if ('@' in response.get_uri() and
self._auth_uri_regex.match(response.get_uri().url_string)):
# An authentication URI was found!
desc = 'The resource: "%s" has a user and password in' \
' the URI.'
desc = desc % response.get_uri()
v = Vuln('Basic HTTP credentials', desc, severity.HIGH,
response.id, self.get_name())
v.set_url(response.get_url())
v.add_to_highlight(response.get_uri().url_string)
kb.kb.append(self, 'userPassUri', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
#
# Analyze the HTTP response body
#
url_list = []
try:
DocumentParser = parser_cache.dpc.get_document_parser_for(response)
except BaseFrameworkException, w3:
msg = 'Failed to find a suitable document parser. ' \
'Exception: ' + str(w3)
om.out.debug(msg)
def grep(self, request, response):
"""
Plugin entry point, search for the credit cards.
:param request: The HTTP request object.
:param response: The HTTP response object
:return: None
"""
if response.is_text_or_html() and response.get_code() == 200 \
and response.get_clear_text_body() is not None:
found_cards = self._find_card(response.get_clear_text_body())
for card in found_cards:
desc = 'The URL: "%s" discloses the credit card number: "%s"'
desc = desc % (response.get_url(), card)
v = Vuln('Credit card number disclosure', desc,
severity.INFORMATION, response.id, self.get_name())
v.set_url(response.get_url())
v.add_to_highlight(card)
om.out.vulnerability(v.get_desc(),
severity=severity.INFORMATION)
self.kb_append_uniq(self, 'credit_cards', v, 'URL')
def _check_if_exists(self, web_shell_url):
"""
Check if the file exists.
:param web_shell_url: The URL to check
"""
try:
response = self._uri_opener.GET(web_shell_url, cache=True)
except BaseFrameworkException:
om.out.debug('Failed to GET webshell:' + web_shell_url)
else:
signature = self._match_signature(response)
if signature is None:
return
desc = (u'An HTTP response matching the web backdoor signature'
u' "%s" was found at: "%s"; this could indicate that the'
u' server has been compromised.')
desc %= (signature, response.get_url())
# It's probability is higher if we found a long signature
_severity = severity.HIGH if len(signature) > 8 else severity.MEDIUM
v = Vuln(u'Potential web backdoor', desc, _severity,
response.id, self.get_name())
v.set_url(response.get_url())
kb.kb.append(self, 'backdoors', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
fr = FuzzableRequest.from_http_response(response)
self.output_queue.put(fr)
def upload_max_filesize(response):
regex_str = 'upload_max_filesize</td><td class="v">(\d.*?)</td>'
upload_max_filesize_mo = re.search(regex_str, response.get_body(),
re.IGNORECASE)
if not upload_max_filesize_mo:
return
secure_umf = 20
umf = upload_max_filesize_mo.group(1) + ''
umf = umf.replace('M', '')
umf = int(umf)
if umf <= secure_umf:
return
desc = 'The phpinfo()::upload_max_filesize is set to a high value: %s'
desc %= (upload_max_filesize_mo.group(1), )
v = Vuln('PHP upload_max_filesize:high', desc, severity.LOW, response.id,
'phpinfo')
v.set_url(response.get_url())
kb.kb.append('phpinfo', 'phpinfo', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def _check_if_exists(self, web_shell_url):
"""
Check if the file exists.
:param web_shell_url: The URL to check
"""
try:
response = self._uri_opener.GET(web_shell_url, cache=True)
except BaseFrameworkException:
om.out.debug('Failed to GET webshell:' + web_shell_url)
else:
if self._is_possible_backdoor(response):
desc = 'A web backdoor was found at: "%s"; this could ' \
'indicate that the server has been compromised.'
desc = desc % response.get_url()
v = Vuln('Potential web backdoor', desc, severity.HIGH,
response.id, self.get_name())
v.set_url(response.get_url())
kb.kb.append(self, 'backdoors', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
fr = FuzzableRequest.from_http_response(response)
self.output_queue.put(fr)
def crawl(self, fuzzable_request, debugging_id):
"""
Plugin entry point, performs all the work.
:param debugging_id: A unique identifier for this call to discover()
:param fuzzable_request: A fuzzable_request instance that contains
(among other things) the URL to test.
"""
to_check = self._get_to_check(fuzzable_request.get_url())
# I found some URLs, create fuzzable requests
pt_matches = self._is_in_phishtank(to_check)
if not pt_matches:
return
for ptm in pt_matches:
fr = FuzzableRequest(ptm.url)
self.output_queue.put(fr)
desc = ('The URL: "%s" seems to be involved in a Phishing scam.'
' Please see %s for more info.')
desc %= (ptm.url, ptm.more_info_url)
v = Vuln('Phishing scam', desc, severity.MEDIUM, [], self.get_name())
v.set_url(ptm.url)
kb.kb.append(self, 'phishtank', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def _check_if_exists(self, web_shell_url):
"""
Check if the file exists.
:param web_shell_url: The URL to check
"""
try:
response = self._uri_opener.GET(web_shell_url, cache=True)
except BaseFrameworkException:
om.out.debug('Failed to GET webshell:' + web_shell_url)
else:
if self._is_possible_backdoor(response):
desc = 'A web backdoor was found at: "%s"; this could ' \
'indicate that the server has been compromised.'
desc = desc % response.get_url()
v = Vuln('Potential web backdoor', desc, severity.HIGH,
response.id, self.get_name())
v.set_url(response.get_url())
kb.kb.append(self, 'backdoors', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
fr = FuzzableRequest.from_http_response(response)
self.output_queue.put(fr)
def _send_and_check(self, repo_url, repo_get_files, repo, domain_path):
"""
Check if a repository index exists in the domain_path.
:return: None, everything is saved to the self.out_queue.
"""
http_response = self.http_get_and_parse(repo_url)
if not is_404(http_response):
filenames = repo_get_files(http_response.get_body())
parsed_url_set = set()
for filename in self._clean_filenames(filenames):
test_url = domain_path.url_join(filename)
if test_url not in self._analyzed_filenames:
parsed_url_set.add(test_url)
self._analyzed_filenames.add(filename)
self.worker_pool.map(self.http_get_and_parse, parsed_url_set)
if parsed_url_set:
desc = 'A %s was found at: "%s"; this could indicate that'\
' a %s is accessible. You might be able to download'\
' the Web application source code.'
desc = desc % (repo, http_response.get_url(), repo)
v = Vuln('Source code repository', desc, severity.MEDIUM,
http_response.id, self.get_name())
v.set_url(http_response.get_url())
kb.kb.append(self, repo, v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def crawl(self, fuzzable_request):
"""
Plugin entry point, perform all the work.
"""
to_check = self._get_to_check(fuzzable_request.get_url())
# I found some URLs, create fuzzable requests
phishtank_matches = self._is_in_phishtank(to_check)
for ptm in phishtank_matches:
response = self._uri_opener.GET(ptm.url)
for fr in self._create_fuzzable_requests(response):
self.output_queue.put(fr)
# Only create the vuln object once
if phishtank_matches:
desc = 'The URL: "%s" seems to be involved in a phishing scam.' \
' Please see %s for more info.'
desc = desc % (ptm.url, ptm.more_info_URL)
v = Vuln('Phishing scam', desc, severity.MEDIUM, response.id,
self.get_name())
v.set_url(ptm.url)
kb.kb.append(self, 'phishtank', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def _analyze_crossdomain_clientaccesspolicy(self, url, response, file_name):
# https://github.com/andresriancho/w3af/issues/14491
if file_name not in self.FILE_TAG_ATTR:
return
try:
dom = xml.dom.minidom.parseString(response.get_body())
except Exception:
# Report this, it may be interesting for the final user
# not a vulnerability per-se... but... it's information after all
if 'allow-access-from' in response.get_body() or \
'cross-domain-policy' in response.get_body() or \
'cross-domain-access' in response.get_body():
desc = 'The "%s" file at: "%s" is not a valid XML.'
desc %= (file_name, response.get_url())
i = Info('Invalid RIA settings file', desc, response.id,
self.get_name())
i.set_url(response.get_url())
kb.kb.append(self, 'info', i)
om.out.information(i.get_desc())
return
tag, attribute = self.FILE_TAG_ATTR.get(file_name)
url_list = dom.getElementsByTagName(tag)
for url in url_list:
url = url.getAttribute(attribute)
if url == '*':
desc = 'The "%s" file at "%s" allows flash/silverlight'\
' access from any site.'
desc %= (file_name, response.get_url())
v = Vuln('Insecure RIA settings', desc, severity.LOW,
response.id, self.get_name())
v.set_url(response.get_url())
v.set_method('GET')
kb.kb.append(self, 'vuln', v)
om.out.vulnerability(v.get_desc(),
severity=v.get_severity())
else:
desc = 'The "%s" file at "%s" allows flash/silverlight'\
' access from "%s".'
desc %= (file_name, response.get_url(), url)
i = Info('Cross-domain allow ACL', desc, response.id,
self.get_name())
i.set_url(response.get_url())
i.set_method('GET')
kb.kb.append(self, 'info', i)
om.out.information(i.get_desc())
def _analyze_crossdomain_clientaccesspolicy(self, url, response,
file_name):
# https://github.com/andresriancho/w3af/issues/14491
if file_name not in self.FILE_TAG_ATTR:
return
try:
dom = xml.dom.minidom.parseString(response.get_body())
except Exception:
# Report this, it may be interesting for the final user
# not a vulnerability per-se... but... it's information after all
if 'allow-access-from' in response.get_body() or \
'cross-domain-policy' in response.get_body() or \
'cross-domain-access' in response.get_body():
desc = 'The "%s" file at: "%s" is not a valid XML.'
desc %= (file_name, response.get_url())
i = Info('Invalid RIA settings file', desc, response.id,
self.get_name())
i.set_url(response.get_url())
kb.kb.append(self, 'info', i)
om.out.information(i.get_desc())
return
tag, attribute = self.FILE_TAG_ATTR.get(file_name)
url_list = dom.getElementsByTagName(tag)
for url in url_list:
url = url.getAttribute(attribute)
if url == '*':
desc = 'The "%s" file at "%s" allows flash/silverlight'\
' access from any site.'
desc %= (file_name, response.get_url())
v = Vuln('Insecure RIA settings', desc, severity.LOW,
response.id, self.get_name())
v.set_url(response.get_url())
v.set_method('GET')
kb.kb.append(self, 'vuln', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
else:
desc = 'The "%s" file at "%s" allows flash/silverlight'\
' access from "%s".'
desc %= (file_name, response.get_url(), url)
i = Info('Cross-domain allow ACL', desc, response.id,
self.get_name())
i.set_url(response.get_url())
i.set_method('GET')
kb.kb.append(self, 'info', i)
om.out.information(i.get_desc())
def _parse_xssed_result(self, response):
"""
Parse the result from the xssed site and create the corresponding info
objects.
:return: Fuzzable requests pointing to the XSS (if any)
"""
html_body = response.get_body()
if "<b>XSS:</b>" not in html_body:
# Nothing to see here...
om.out.debug('xssed_dot_com did not find any previously reported'
' XSS vulnerabilities.')
return
#
# Work!
#
regex_many_vulns = re.findall(
"<a href='(/mirror/\d*/)' target='_blank'>", html_body)
for mirror_relative_link in regex_many_vulns:
mirror_url = self._xssed_url.url_join(mirror_relative_link)
xss_report_response = self._uri_opener.GET(mirror_url)
matches = re.findall("URL:.+", xss_report_response.get_body())
dxss = self._decode_xssed_url
xss_url = dxss(dxss(matches[0]))
if self._fixed in xss_report_response.get_body():
vuln_severity = severity.LOW
desc = 'According to xssed.com, this URL contained a XSS'\
' vulnerability: "%s".'
desc = desc % xss_url
else:
vuln_severity = severity.HIGH
desc = 'According to xssed.com, this URL contains a'\
' XSS vulnerability: "%s".'
desc = desc % xss_url
v = Vuln('Potential XSS vulnerability', desc, vuln_severity,
response.id, self.get_name())
v.set_url(mirror_url)
kb.kb.append(self, 'xss', v)
om.out.information(v.get_desc())
#
# Add the fuzzable request, this is useful if I have the
# XSS plugin enabled because it will re-test this and
# possibly confirm the vulnerability
#
fr = FuzzableRequest(URL(xss_url))
self.output_queue.put(fr)
def _analyze_crossdomain_clientaccesspolicy(self, url, response,
file_name):
try:
dom = xml.dom.minidom.parseString(response.get_body())
except Exception:
# Report this, it may be interesting for the final user
# not a vulnerability per-se... but... it's information after all
if 'allow-access-from' in response.get_body() or \
'cross-domain-policy' in response.get_body() or \
'cross-domain-access' in response.get_body():
desc = 'The "%s" file at: "%s" is not a valid XML.'
desc = desc % (file_name, response.get_url())
i = Info('Invalid RIA settings file', desc, response.id,
self.get_name())
i.set_url(response.get_url())
kb.kb.append(self, 'info', i)
om.out.information(i.get_desc())
else:
if file_name == 'crossdomain.xml':
url_list = dom.getElementsByTagName("allow-access-from")
attribute = 'domain'
if file_name == 'clientaccesspolicy.xml':
url_list = dom.getElementsByTagName("domain")
attribute = 'uri'
for url in url_list:
url = url.getAttribute(attribute)
if url == '*':
desc = 'The "%s" file at "%s" allows flash/silverlight'\
' access from any site.'
desc = desc % (file_name, response.get_url())
v = Vuln('Insecure RIA settings', desc, severity.LOW,
response.id, self.get_name())
v.set_url(response.get_url())
v.set_method('GET')
kb.kb.append(self, 'vuln', v)
om.out.vulnerability(v.get_desc(),
severity=v.get_severity())
else:
desc = 'The "%s" file at "%s" allows flash/silverlight'\
' access from "%s".'
desc = desc % (file_name, response.get_url(), url)
i = Info('Cross-domain allow ACL', desc, response.id,
self.get_name())
i.set_url(response.get_url())
i.set_method('GET')
kb.kb.append(self, 'info', i)
om.out.information(i.get_desc())
def _parse_xssed_result(self, response):
"""
Parse the result from the xssed site and create the corresponding info
objects.
:return: Fuzzable requests pointing to the XSS (if any)
"""
html_body = response.get_body()
if "<b>XSS:</b>" not in html_body:
# Nothing to see here...
om.out.debug('xssed_dot_com did not find any previously reported'
' XSS vulnerabilities.')
return
#
# Work!
#
regex_many_vulns = re.findall("<a href='(/mirror/\d*/)' target='_blank'>",
html_body)
for mirror_relative_link in regex_many_vulns:
mirror_url = self._xssed_url.url_join(mirror_relative_link)
xss_report_response = self._uri_opener.GET(mirror_url)
matches = re.findall("URL:.+", xss_report_response.get_body())
dxss = self._decode_xssed_url
xss_url = dxss(dxss(matches[0]))
if self._fixed in xss_report_response.get_body():
vuln_severity = severity.LOW
desc = 'According to xssed.com, this URL contained a XSS'\
' vulnerability: "%s".'
desc = desc % xss_url
else:
vuln_severity = severity.HIGH
desc = 'According to xssed.com, this URL contains a'\
' XSS vulnerability: "%s".'
desc = desc % xss_url
v = Vuln('Potential XSS vulnerability', desc,
vuln_severity, response.id, self.get_name())
v.set_url(mirror_url)
kb.kb.append(self, 'xss', v)
om.out.information(v.get_desc())
#
# Add the fuzzable request, this is useful if I have the
# XSS plugin enabled because it will re-test this and
# possibly confirm the vulnerability
#
fr = FuzzableRequest(URL(xss_url))
self.output_queue.put(fr)
def _analyze_crossdomain_clientaccesspolicy(self, url, response, file_name):
try:
dom = xml.dom.minidom.parseString(response.get_body())
except Exception:
# Report this, it may be interesting for the final user
# not a vulnerability per-se... but... it's information after all
if 'allow-access-from' in response.get_body() or \
'cross-domain-policy' in response.get_body() or \
'cross-domain-access' in response.get_body():
desc = 'The "%s" file at: "%s" is not a valid XML.'
desc = desc % (file_name, response.get_url())
i = Info('Invalid RIA settings file', desc, response.id,
self.get_name())
i.set_url(response.get_url())
kb.kb.append(self, 'info', i)
om.out.information(i.get_desc())
else:
if file_name == 'crossdomain.xml':
url_list = dom.getElementsByTagName("allow-access-from")
attribute = 'domain'
if file_name == 'clientaccesspolicy.xml':
url_list = dom.getElementsByTagName("domain")
attribute = 'uri'
for url in url_list:
url = url.getAttribute(attribute)
if url == '*':
desc = 'The "%s" file at "%s" allows flash/silverlight'\
' access from any site.'
desc = desc % (file_name, response.get_url())
v = Vuln('Insecure RIA settings', desc, severity.LOW,
response.id, self.get_name())
v.set_url(response.get_url())
v.set_method('GET')
kb.kb.append(self, 'vuln', v)
om.out.vulnerability(v.get_desc(),
severity=v.get_severity())
else:
desc = 'The "%s" file at "%s" allows flash/silverlight'\
' access from "%s".'
desc = desc % (file_name, response.get_url(), url)
i = Info('Cross-domain allow ACL', desc, response.id,
self.get_name())
i.set_url(response.get_url())
i.set_method('GET')
kb.kb.append(self, 'info', i)
om.out.information(i.get_desc())
def _allow_url_include(self, response):
regex_str = 'allow_url_include</td><td class="v">(On|<i>no value</i>)</td>'
allow_url_include = re.search(regex_str, response.get_body(), re.I)
if allow_url_include:
desc = 'The phpinfo()::allow_url_include is enabled.'
v = Vuln('PHP allow_url_include: On', desc,
severity.MEDIUM, response.id, self.get_name())
v.set_url(response.get_url())
kb.kb.append(self, 'phpinfo', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def _session_cookie_httponly(self, response):
regex_str = 'session\.cookie_httponly</td><td class="v">(Off|no|0)</td>'
session_cookie_httponly = re.search(regex_str, response.get_body(), re.I)
if session_cookie_httponly:
desc = 'The phpinfo()::session.cookie_httponly is off.'
v = Vuln('PHP session.cookie_httponly: Off', desc,
severity.MEDIUM, response.id, self.get_name())
v.set_url(response.get_url())
kb.kb.append(self, 'phpinfo', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def _display_errors(self, response):
regex_str = 'display_errors</td><td class="v">(On|<i>no value</i>)</td>'
display_errors = re.search(regex_str, response.get_body(), re.I)
if display_errors:
desc = 'The phpinfo()::display_errors is enabled.'
v = Vuln('PHP display_errors: On', desc,
severity.MEDIUM, response.id, self.get_name())
v.set_url(response.get_url())
kb.kb.append(self, 'phpinfo', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def _expose_php(self, response):
regex_str = 'expose_php</td><td class="v">(On|<i>no value</i>)</td>'
expose_php = re.search(regex_str, response.get_body(), re.I)
if expose_php:
desc = 'The phpinfo()::expose_php is enabled.'
v = Vuln('PHP expose_php: On', desc,
severity.MEDIUM, response.id, self.get_name())
v.set_url(response.get_url())
kb.kb.append(self, 'phpinfo', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def _upload_tmp_dir(self, response):
regex_str = 'upload_tmp_dir</td><td class="v">(<i>no value</i>)</td>'
upload_tmp_dir = re.search(regex_str, response.get_body(), re.I)
if upload_tmp_dir:
desc = 'The phpinfo()::upload_tmp_dir may be set to world-'\
'accessible directory.'
v = Vuln('PHP upload_tmp_dir:Everyone', desc,
severity.LOW, response.id, self.get_name())
v.set_url(response.get_url())
kb.kb.append(self, 'phpinfo', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def _session_use_trans(self, response):
regex_str = 'session\.use_trans</td><td class="v">(On)</td>'
session_use_trans = re.search(regex_str, response.get_body(), re.I)
if session_use_trans:
desc = 'The phpinfo()::session.use_trans is enabled. This makes'\
' session hijacking easier.'
v = Vuln('PHP session_use_trans: On', desc,
severity.MEDIUM, response.id, self.get_name())
v.set_url(response.get_url())
kb.kb.append(self, 'phpinfo', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def _session_save_path(self, response):
regex_str = 'session\.save_path</td><td class="v">(<i>no value</i>)</td>'
session_save_path = re.search(regex_str, response.get_body(), re.I)
if session_save_path:
desc = 'The phpinfo()::session.save_path may be set to world-'\
'accessible directory.'
v = Vuln('PHP session_save_path:Everyone', desc,
severity.LOW, response.id, self.get_name())
v.set_url(response.get_url())
kb.kb.append(self, 'phpinfo', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def _default_charset(self, response):
regex_str = 'default_charset</td><td class="v">(Off|no|0)</td>'
default_charset = re.search(regex_str, response.get_body(), re.I)
if default_charset:
desc = 'The phpinfo()::default_charset is set to none. This'\
' makes PHP scripts vulnerable to variable charset'\
' encoding XSS.'
v = Vuln('PHP default_charset: Off', desc,
severity.MEDIUM, response.id, self.get_name())
v.set_url(response.get_url())
kb.kb.append(self, 'phpinfo', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def _cgi_force_redirect(self, response):
regex_str = 'cgi_force_redirect</td><td class="v">(.*?)</td>'
cgi_force_redirect = re.search(regex_str, response.get_body(), re.I)
if cgi_force_redirect:
utd = cgi_force_redirect.group(1) + ''
if utd != 'On':
desc = 'The phpinfo()::CGI::force_redirect is disabled.'
v = Vuln('PHP cgi_force_redirect: Off', desc,
severity.MEDIUM, response.id, self.get_name())
v.set_url(response.get_url())
kb.kb.append(self, 'phpinfo', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def _brute_worker(self, url, combination):
"""
Try a user/password combination with HTTP basic authentication against
a specific URL.
:param url: A string representation of an URL
:param combination: A tuple that contains (user,pass)
"""
# Remember that this worker is called from a thread which lives in a
# threadpool. If the worker finds something, it has to let the rest know
# and the way we do that is by setting self._found.
#
# If one thread sees that we already bruteforced the access, the rest
# will simply no-op
if not self._found or not self._stop_on_first:
user, passwd = combination
raw_values = "%s:%s" % (user, passwd)
auth = 'Basic %s' % base64.b64encode(raw_values).strip()
headers = Headers([('Authorization', auth)])
fr = FuzzableRequest(url, headers=headers, method='GET')
try:
response = self._uri_opener.send_mutant(fr,
cache=False,
grep=False)
except BaseFrameworkException, w3:
msg = 'Exception while brute-forcing basic authentication,' \
' error message: "%s".'
om.out.debug(msg % w3)
else:
# GET was OK
if response.get_code() != 401:
self._found = True
desc = 'Found authentication credentials to: "%s".' \
' A valid user and password combination is: %s/%s .'
desc = desc % (url, user, passwd)
v = Vuln('Guessable credentials', desc, severity.HIGH,
response.id, self.get_name())
v.set_url(url)
v['user'] = user
v['pass'] = passwd
v['response'] = response
v['request'] = fr
kb.kb.append(self, 'auth', v)
om.out.vulnerability(v.get_desc(),
severity=v.get_severity())
def allow_url_fopen(response):
regex_str = 'allow_url_fopen</td><td class="v">(On|<i>no value</i>)</td>'
allow_url_fopen_mo = re.search(regex_str, response.get_body(), re.I)
if not allow_url_fopen_mo:
return
desc = 'The phpinfo()::allow_url_fopen is enabled.'
v = Vuln('PHP allow_url_fopen: On', desc, severity.MEDIUM, response.id,
'phpinfo')
v.set_url(response.get_url())
kb.kb.append('phpinfo', 'phpinfo', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def _brute_worker(self, url, combination):
"""
Try a user/password combination with HTTP basic authentication against
a specific URL.
:param url: A string representation of an URL
:param combination: A tuple that contains (user,pass)
"""
# Remember that this worker is called from a thread which lives in a
# threadpool. If the worker finds something, it has to let the rest know
# and the way we do that is by setting self._found.
#
# If one thread sees that we already bruteforced the access, the rest
# will simply no-op
if not self._found or not self._stop_on_first:
user, passwd = combination
raw_values = "%s:%s" % (user, passwd)
auth = 'Basic %s' % base64.b64encode(raw_values).strip()
headers = Headers([('Authorization', auth)])
fr = FuzzableRequest(url, headers=headers, method='GET')
try:
response = self._uri_opener.send_mutant(fr, cache=False,
grep=False)
except BaseFrameworkException, w3:
msg = 'Exception while brute-forcing basic authentication,'\
' error message: "%s".'
om.out.debug(msg % w3)
else:
# GET was OK
if response.get_code() != 401:
self._found = True
desc = 'Found authentication credentials to: "%s".'\
' A valid user and password combination is: %s/%s .'
desc = desc % (url, user, passwd)
v = Vuln('Guessable credentials', desc,
severity.HIGH, response.id, self.get_name())
v.set_url(url)
v['user'] = user
v['pass'] = passwd
v['response'] = response
v['request'] = fr
kb.kb.append(self, 'auth', v)
om.out.vulnerability(v.get_desc(),
severity=v.get_severity())
def upload_tmp_dir(response):
regex_str = 'upload_tmp_dir</td><td class="v">(<i>no value</i>)</td>'
upload_tmp_dir_mo = re.search(regex_str, response.get_body(), re.I)
if not upload_tmp_dir_mo:
return
desc = 'The phpinfo()::upload_tmp_dir may be set to world-readable directory.'
v = Vuln('PHP upload_tmp_dir is world readable', desc, severity.LOW,
response.id, 'phpinfo')
v.set_url(response.get_url())
kb.kb.append('phpinfo', 'phpinfo', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def _parse_zone_h_result(self, response):
"""
Parse the result from the zone_h site and create the corresponding info
objects.
:return: None
"""
#
# I'm going to do only one big "if":
#
# - The target site was hacked more than one time
# - The target site was hacked only one time
#
# This is the string I have to parse:
# in the zone_h response, they are two like this, the first has to be ignored!
regex = 'Total notifications: <b>(\d*)</b> of which <b>(\d*)</b> single ip and <b>(\d*)</b> mass'
regex_result = re.findall(regex, response.get_body())
try:
total_attacks = int(regex_result[0][0])
except IndexError:
om.out.debug(
'An error was generated during the parsing of the zone_h website.'
)
else:
# Do the if...
if total_attacks > 1:
desc = 'The target site was defaced more than one time in the'\
' past. For more information please visit the following'\
' URL: "%s".' % response.get_url()
v = Vuln('Previous defacements', desc, severity.MEDIUM,
response.id, self.get_name())
v.set_url(response.get_url())
kb.kb.append(self, 'defacements', v)
om.out.information(v.get_desc())
elif total_attacks == 1:
desc = 'The target site was defaced in the past. For more'\
' information please visit the following URL: "%s".'
desc = desc % response.get_url()
i = Info('Previous defacements', desc, response.id,
self.get_name())
i.set_url(response.get_url())
kb.kb.append(self, 'defacements', i)
om.out.information(i.get_desc())
def _disable_functions(self, response):
regex_str = 'disable_functions</td><td class="v">(.*?)</td>'
disable_functions = re.search(regex_str, response.get_body(), re.I)
if disable_functions:
secure_df = 8
df = disable_functions.group(1)
dfe = df.split(',')
if len(dfe) < secure_df:
desc = 'The phpinfo()::disable_functions are set to few.'
v = Vuln('PHP disable_functions:few', desc,
severity.MEDIUM, response.id, self.get_name())
v.set_url(response.get_url())
kb.kb.append(self, 'phpinfo', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def session_use_trans(response):
regex_str = 'session\.use_trans</td><td class="v">(On)</td>'
session_use_trans_mo = re.search(regex_str, response.get_body(), re.I)
if not session_use_trans_mo:
return
desc = ('The phpinfo()::session.use_trans is enabled. This makes'
' session hijacking easier.')
v = Vuln('PHP session_use_trans: On', desc, severity.MEDIUM, response.id,
'phpinfo')
v.set_url(response.get_url())
kb.kb.append('phpinfo', 'phpinfo', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def session_save_path(response):
regex_str = 'session\.save_path</td><td class="v">(<i>no value</i>)</td>'
session_save_path_mo = re.search(regex_str, response.get_body(), re.I)
if not session_save_path_mo:
return
desc = ('The phpinfo()::session.save_path may be set to a world-'
'readable directory.')
v = Vuln('Word readable PHP session_save_path', desc, severity.LOW,
response.id, 'phpinfo')
v.set_url(response.get_url())
kb.kb.append('phpinfo', 'phpinfo', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def _memory_limit(self, response):
regex_str = 'memory_limit</td><td class="v">(\d.*?)</td>'
memory_limit = re.search(regex_str, response.get_body(), re.I)
if memory_limit:
secure_ml = 10
ml = memory_limit.group(1) + ''
ml = ml.replace('M', '')
if ml > secure_ml:
desc = 'The phpinfo()::memory_limit is set to higher value'\
' (%s).' % memory_limit.group(1)
v = Vuln('PHP memory_limit:high', desc,
severity.MEDIUM, response.id, self.get_name())
v.set_url(response.get_url())
kb.kb.append(self, 'phpinfo', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def _parse_zone_h_result(self, response):
"""
Parse the result from the zone_h site and create the corresponding info
objects.
:return: None
"""
#
# I'm going to do only one big "if":
#
# - The target site was hacked more than one time
# - The target site was hacked only one time
#
# This is the string I have to parse:
# in the zone_h response, they are two like this, the first has to be ignored!
regex = 'Total notifications: <b>(\d*)</b> of which <b>(\d*)</b> single ip and <b>(\d*)</b> mass'
regex_result = re.findall(regex, response.get_body())
try:
total_attacks = int(regex_result[0][0])
except IndexError:
om.out.debug('An error was generated during the parsing of the zone_h website.')
else:
# Do the if...
if total_attacks > 1:
desc = 'The target site was defaced more than one time in the'\
' past. For more information please visit the following'\
' URL: "%s".' % response.get_url()
v = Vuln('Previous defacements', desc,
severity.MEDIUM, response.id, self.get_name())
v.set_url(response.get_url())
kb.kb.append(self, 'defacements', v)
om.out.information(v.get_desc())
elif total_attacks == 1:
desc = 'The target site was defaced in the past. For more'\
' information please visit the following URL: "%s".'
desc = desc % response.get_url()
i = Info('Previous defacements', desc, response.id,
self.get_name())
i.set_url(response.get_url())
kb.kb.append(self, 'defacements', i)
om.out.information(i.get_desc())
def _post_max_size(self, response):
regex_str = 'post_max_size</td><td class="v">(\d.*?)</td>'
post_max_size = re.search(
regex_str, response.get_body(), re.IGNORECASE)
if post_max_size:
secure_pms = 20
pms = post_max_size.group(1) + ''
pms = pms.replace('M', '')
pms = int(pms)
if pms > secure_pms:
desc = 'The phpinfo()::post_max_size is set to higher value'\
' (%s).' % post_max_size.group(1)
v = Vuln('PHP post_max_size:high', desc,
severity.LOW, response.id, self.get_name())
v.set_url(response.get_url())
kb.kb.append(self, 'phpinfo', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def _upload_max_filesize(self, response):
regex_str = 'upload_max_filesize</td><td class="v">(\d.*?)</td>'
upload_max_filesize = re.search(
regex_str, response.get_body(), re.IGNORECASE)
if upload_max_filesize:
secure_umf = 20
umf = upload_max_filesize.group(1) + ''
umf = umf.replace('M', '')
umf = int(umf)
if umf > secure_umf:
desc = 'The phpinfo()::upload_max_filesize is set to higher'\
' value (%s).' % upload_max_filesize.group(1)
v = Vuln('PHP upload_max_filesize:high', desc,
severity.LOW, response.id, self.get_name())
v.set_url(response.get_url())
kb.kb.append(self, 'phpinfo', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def _analyze_401(self, response):
"""
Analyze a 401 response and report it.
:return: None
"""
realm = self._get_realm(response)
if realm is None:
self._report_no_realm(response)
return
insecure = response.get_url().get_protocol() == 'http'
vuln_severity = severity.HIGH if insecure else severity.LOW
desc = 'The resource: "%s" requires HTTP authentication'
if insecure:
desc += ' over a non-encrypted channel, which allows'\
' potential intruders to sniff traffic and capture'\
' valid credentials.'
else:
desc += '.'
desc += ' The received authentication realm is: "%s".'
desc = desc % (response.get_url(), realm)
# Report the common case, were a realm is set.
if 'ntlm' in realm.lower():
v = Vuln('NTLM authentication', desc,
vuln_severity, response.id, self.get_name())
else:
v = Vuln('HTTP Basic authentication', desc,
vuln_severity, response.id, self.get_name())
v.set_url(response.get_url())
v['message'] = realm
v.add_to_highlight(realm)
kb.kb.append(self, 'auth', v)
om.out.information(v.get_desc())
def _curl_file_support(self, response):
regex_str = '<h1 class="p">PHP Version (\d).(\d).(\d)</h1>'
curl_file_support = re.search(regex_str, response.get_body(), re.I)
if curl_file_support:
php_major_ver = curl_file_support.group(1)
php_minor_ver = curl_file_support.group(2)
php_rev_ver = curl_file_support.group(3)
current_ver = php_major_ver + '.' + php_minor_ver + \
'' + php_rev_ver
current_ver = float(current_ver)
php_major_ver = int(php_major_ver)
php_minor_ver = int(php_minor_ver)
php_rev_ver = int(php_rev_ver)
cv4check = float(4.44)
cv5check = float(5.16)
curl_vuln = 1
if php_major_ver == 4:
if current_ver >= cv4check:
curl_vuln = 0
elif php_major_ver == 5:
if current_ver >= cv5check:
curl_vuln = 0
elif php_major_ver >= 6:
curl_vuln = 0
else:
curl_vuln = 0
if curl_vuln == 1:
desc = 'The phpinfo()::cURL::file_support has a security hole'\
' present in this version of PHP allows the cURL'\
' functions to bypass safe_mode and open_basedir'\
' restrictions.'
v = Vuln('PHP curl_file_support:not_fixed', desc,
severity.MEDIUM, response.id, self.get_name())
v.set_url(response.get_url())
kb.kb.append(self, 'phpinfo', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
def _enable_dl(self, response):
regex_str = 'enable_dl</td><td class="v">(On|Off)</td>'
enable_dl = re.search(regex_str, response.get_body(), re.I)
if enable_dl:
rg = enable_dl.group(1)
if rg == 'On':
desc = 'The phpinfo()::enable_dl is on.'
v = Vuln('PHP enable_dl: On', desc,
severity.MEDIUM, response.id, self.get_name())
v.set_url(response.get_url())
kb.kb.append(self, 'phpinfo', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
else:
ed_name = 'PHP enable_dl: Off'
ed_desc = 'The phpinfo()::enable_dl is off.'
i = Info(ed_name, ed_desc, response.id, self.get_name())
i.set_url(response.get_url())
kb.kb.append(self, 'phpinfo', i)
om.out.information(i.get_desc())
def _register_globals(self, response):
regex_str = 'register_globals</td><td class="v">(On|Off)</td>'
register_globals = re.search(regex_str, response.get_body(), re.I)
if register_globals:
rg = register_globals.group(1)
if rg == 'On':
desc = 'The phpinfo()::register_globals is on.'
v = Vuln('PHP register_globals: On', desc,
severity.MEDIUM, response.id, self.get_name())
v.set_url(response.get_url())
kb.kb.append(self, 'phpinfo', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
else:
rg_name = 'PHP register_globals: Off'
rg_desc = 'The phpinfo()::register_globals is off.'
i = Info(rg_name, rg_desc, response.id, self.get_name())
i.set_url(response.get_url())
kb.kb.append(self, 'phpinfo', i)
om.out.information(i.get_desc())
def crawl(self, fuzzable_request):
"""
Plugin entry point, performs all the work.
"""
to_check = self._get_to_check(fuzzable_request.get_url())
# I found some URLs, create fuzzable requests
pt_handler = self._is_in_phishtank(to_check)
for ptm in pt_handler.matches:
fr = FuzzableRequest(ptm.url)
self.output_queue.put(fr)
# Only create the vuln object once
if pt_handler.matches:
desc = 'The URL: "%s" seems to be involved in a phishing scam.' \
' Please see %s for more info.'
desc = desc % (ptm.url, ptm.more_info_url)
v = Vuln('Phishing scam', desc, severity.MEDIUM, [], self.get_name())
v.set_url(ptm.url)
kb.kb.append(self, 'phishtank', v)
om.out.vulnerability(v.get_desc(), severity=v.get_severity())
