/usr/share/w3af/plugins/discovery/ghdb.py is in w3af-console 1.1svn5547-1.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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ghdb.py
Copyright 2006 Andres Riancho
This file is part of w3af, w3af.sourceforge.net .
w3af is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation version 2 of the License.
w3af is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with w3af; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
'''
import os.path
import xml.dom.minidom
from core.controllers.basePlugin.baseDiscoveryPlugin import baseDiscoveryPlugin
from core.controllers.coreHelpers.fingerprint_404 import is_404
from core.controllers.misc.decorators import runonce
from core.controllers.misc.is_private_site import is_private_site
from core.controllers.w3afException import w3afException, w3afRunOnce
from core.data.options.option import option
from core.data.options.optionList import optionList
from core.data.searchEngines.googleSearchEngine import \
googleSearchEngine as google
import core.controllers.outputManager as om
import core.data.constants.severity as severity
import core.data.kb.knowledgeBase as kb
import core.data.kb.vuln as vuln
class ghdb(baseDiscoveryPlugin):
'''
Search Google for vulnerabilities in the target site.
@author: Andres Riancho ( andres.riancho@gmail.com )
'''
def __init__(self):
baseDiscoveryPlugin.__init__(self)
# Internal variables
self._ghdb_file = os.path.join('plugins', 'discovery',
'ghdb', 'GHDB.xml')
self._fuzzableRequests = []
# User configured variables
self._result_limit = 300
@runonce(exc_class=w3afRunOnce)
def discover(self, fuzzableRequest ):
'''
@param fuzzableRequest: A fuzzableRequest instance that contains
(among other things) the URL to test.
'''
self._fuzzableRequests = []
# Get the domain and set some parameters
domain = fuzzableRequest.getURL().getDomain()
if is_private_site(domain):
msg = 'There is no point in searching google for "site:'+ domain
msg += '" . Google doesnt index private pages.'
raise w3afException(msg)
return self._do_clasic_GHDB(domain)
def _do_clasic_GHDB( self, domain ):
'''
In classic GHDB, i search google for every term in the ghdb.
'''
import random
google_hack_list = self._read_ghdb()
# dont get discovered by google [at least try...]
random.shuffle( google_hack_list )
for gh in google_hack_list:
try:
self._classic_worker(gh, 'site:'+ domain + ' ' + gh.search)
except w3afException, w3:
# Google is saying: "no more automated tests".
om.out.error('GHDB exception: "' + str(w3) + '".')
break
self._join()
return self._fuzzableRequests
def _classic_worker(self, gh, search):
# Init some variables
google_se = google(self._uri_opener)
google_list = google_se.getNResults( search, 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 ):
v = vuln.vuln()
v.setPluginName(self.getName())
v.setURL( response.getURL() )
v.setMethod( 'GET' )
v.setName( 'Google hack database vulnerability' )
v.setSeverity(severity.MEDIUM)
msg = 'ghdb plugin found a vulnerability at URL: "' + result.URL
msg += '" . Vulnerability description: ' + gh.desc
v.setDesc( msg )
v.setId( response.id )
kb.kb.append( self, 'vuln', v )
om.out.vulnerability( v.getDesc(), severity=severity.MEDIUM )
# Create the fuzzable requests
self._fuzzableRequests.extend( self._createFuzzableRequests( response ) )
def _read_ghdb( self ):
'''
Reads the ghdb.xml file and returns a list of google_hack objects.
'''
class google_hack:
def __init__( self, search, desc ):
self.search = search
self.desc = desc
fd = None
try:
fd = file( self._ghdb_file )
except:
raise w3afException('Failed to open ghdb file: ' + self._ghdb_file )
dom = None
try:
dom = xml.dom.minidom.parseString( fd.read() )
except:
raise w3afException('ghdb file is not a valid XML file.' )
signatures = dom.getElementsByTagName("signature")
res = []
for signature in signatures:
if len(signature.childNodes) != 6:
msg = 'GHDB is corrupt. The corrupt signature is: ' + signature.toxml()
raise w3afException( msg )
else:
try:
query_string = signature.childNodes[4].childNodes[0].data
except Exception, e:
msg = 'GHDB has a corrupt signature, ( it doesn\'t have a query string ).'
msg += ' Error while parsing: "' + signature.toxml() + '". Exception: "'
msg += str(e) + '".'
om.out.debug( msg )
else:
try:
desc = signature.childNodes[5].childNodes[0].data
except:
desc = 'Blank description.'
else:
gh = google_hack( query_string, desc )
res.append( gh )
return res
def getOptions( self ):
'''
@return: A list of option objects for this plugin.
'''
d2 = 'Fetch the first "resultLimit" results from the Google search'
o2 = option('resultLimit', self._result_limit, d2, 'integer')
ol = optionList()
ol.add(o2)
return ol
def setOptions( self, optionsMap ):
'''
This method sets all the options that are configured using the user interface
generated by the framework using the result of getOptions().
@parameter OptionList: A dictionary with the options for the plugin.
@return: No value is returned.
'''
self._result_limit = optionsMap['resultLimit'].getValue()
def getPluginDeps( self ):
'''
@return: A list with the names of the plugins that should be run before the
current one.
'''
return []
def getLongDesc( self ):
'''
@return: A DETAILED description of the plugin functions and features.
'''
return '''
This plugin finds possible vulnerabilities using google.
One configurable parameter exist:
- resultLimit
Using the google hack database released by Offensive Security, this
plugin searches google for possible vulnerabilities in the domain
being tested.
'''
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