/usr/share/w3af/plugins/grep/codeDisclosure.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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codeDisclosure.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 core.controllers.outputManager as om
# options
from core.data.options.option import option
from core.data.options.optionList import optionList
from core.controllers.basePlugin.baseGrepPlugin import baseGrepPlugin
import core.data.kb.knowledgeBase as kb
import core.data.kb.vuln as vuln
import core.data.constants.severity as severity
from core.controllers.coreHelpers.fingerprint_404 import is_404
from core.controllers.misc.is_source_file import is_source_file
from core.data.bloomfilter.bloomfilter import scalable_bloomfilter
class codeDisclosure(baseGrepPlugin):
'''
Grep every page for code disclosure vulnerabilities.
@author: Andres Riancho ( andres.riancho@gmail.com )
'''
def __init__(self):
baseGrepPlugin.__init__(self)
# Internal variables
self._already_added = scalable_bloomfilter()
self._first_404 = True
def grep(self, request, response):
'''
Plugin entry point, search for the code disclosures.
Unit tests are available at plugins/grep/tests.
@parameter request: The HTTP request object.
@parameter response: The HTTP response object
@return: None
Init
>>> import codeDisclosure
>>> from core.data.url.httpResponse import httpResponse
>>> from core.data.request.fuzzableRequest import fuzzableRequest
>>> from core.controllers.misc.temp_dir import create_temp_dir
>>> from core.data.parsers.urlParser import url_object
>>> from core.controllers.coreHelpers.fingerprint_404 import fingerprint_404_singleton
>>> from core.data.url.xUrllib import xUrllib
>>> xurllib = xUrllib()
>>> f = fingerprint_404_singleton( [False, False, False] )
>>> f.set_urlopener( xurllib )
>>> o = create_temp_dir()
Simple test, empty string.
>>> body = ''
>>> url = url_object('http://www.w3af.com/')
>>> headers = {'content-type': 'text/html'}
>>> response = httpResponse(200, body , headers, url, url)
>>> request = fuzzableRequest(url, method='GET')
>>> c = codeDisclosure.codeDisclosure()
>>> c.grep(request, response)
>>> len(kb.kb.getData('codeDisclosure', 'codeDisclosure'))
0
Disclose some PHP code,
>>> kb.kb.cleanup()
>>> body = 'header <? echo "a"; ?> footer'
>>> url = url_object('http://www.w3af.com/')
>>> headers = {'content-type': 'text/html'}
>>> response = httpResponse(200, body , headers, url, url)
>>> request = fuzzableRequest(url, method='GET')
>>> c = codeDisclosure.codeDisclosure()
>>> c.grep(request, response)
>>> len(kb.kb.getData('codeDisclosure', 'codeDisclosure'))
1
'''
if response.is_text_or_html() and response.getURL() not in self._already_added:
match, lang = is_source_file(response.getBody())
if match:
# Check also for 404
if not is_404( response ):
v = vuln.vuln()
v.setPluginName(self.getName())
v.setURL( response.getURL() )
v.setId( response.id )
v.setSeverity(severity.LOW)
v.setName( lang + ' code disclosure vulnerability' )
v.addToHighlight(match.group())
msg = 'The URL: "' + v.getURL() + '" has a '+lang+' code disclosure vulnerability.'
v.setDesc( msg )
kb.kb.append( self, 'codeDisclosure', v )
self._already_added.add( response.getURL() )
else:
self._first_404 = False
v = vuln.vuln()
v.setPluginName(self.getName())
v.setURL( response.getURL() )
v.setId( response.id )
v.setSeverity(severity.LOW)
v.addToHighlight(match.group())
v.setName( lang + ' code disclosure vulnerability in 404 page' )
msg = 'The URL: "' + v.getURL() + '" has a '+lang+' code disclosure vulnerability in'
msg += ' the customized 404 script.'
v.setDesc( msg )
kb.kb.append( self, 'codeDisclosure', v )
def setOptions( self, OptionList ):
'''
No options to set.
'''
pass
def getOptions( self ):
'''
@return: A list of option objects for this plugin.
'''
ol = optionList()
return ol
def end(self):
'''
This method is called when the plugin wont be used anymore.
'''
# Print codeDisclosure
self.printUniq( kb.kb.getData( 'codeDisclosure', 'codeDisclosure' ), 'URL' )
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 greps every page in order to find code disclosures. Basically it greps for
'<?.*?>' and '<%.*%>' using the re module and reports findings.
Code disclosures are usually generated due to web server misconfigurations, or wierd web
application "features".
'''
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