/usr/share/w3af/plugins/grep/privateIP.py is in w3af-console 1.1svn5547-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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privateIP.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 re
import socket
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
from core.controllers.misc.get_local_ip import get_local_ip
import core.data.kb.knowledgeBase as kb
import core.data.kb.vuln as vuln
import core.data.constants.severity as severity
from core.data.bloomfilter.bloomfilter import scalable_bloomfilter
class privateIP(baseGrepPlugin):
'''
Find private IP addresses on the response body and headers.
@author: Andres Riancho ( andres.riancho@gmail.com )
'''
def __init__(self):
baseGrepPlugin.__init__(self)
# For more info regarding this regular expression, please see:
# https://sourceforge.net/mailarchive/forum.php?thread_name=1955593874.20090122023644%40
#mlists.olympos.org&forum_name=w3af-develop
regex_str = '(?<!\.)(?<!\d)(?:(?:10|127)\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)|192\.168|169\.'
regex_str += '254|172\.0?(?:1[6-9]|2[0-9]|3[01]))(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-'
regex_str += '9]?)){2}(?!\d)(?!\.)'
self._private_ip_address = re.compile(regex_str)
self._regex_list = [self._private_ip_address ]
self._already_inspected = scalable_bloomfilter()
self._ignore_if_match = None
def grep(self, request, response):
'''
Plugin entry point. Search for private IPs in the header and the body.
@parameter request: The HTTP request object.
@parameter response: The HTTP response object
@return: None, results are saved to the kb.
'''
if not ( request.getURL() , request.getData() ) in self._already_inspected:
# Only run this once for each combination of URL and data sent to that URL
self._already_inspected.add( ( request.getURL() , request.getData() ) )
#
# Search for IP addresses in HTTP headers
# Get the headers string
#
headers_string = response.dumpHeaders()
if self._ignore_if_match is None:
self._generate_ignores( response )
# Match the regular expressions
for regex in self._regex_list:
for match in regex.findall(headers_string):
# If i'm requesting 192.168.2.111 then I don't want to be alerted about it
if match not in self._ignore_if_match:
v = vuln.vuln()
v.setPluginName(self.getName())
v.setURL( response.getURL() )
v.setId( response.id )
v.setSeverity(severity.LOW)
v.setName( 'Private IP disclosure vulnerability' )
msg = 'The URL: "' + v.getURL() + '" returned an HTTP header '
msg += 'with an IP address: "' + match + '".'
v.setDesc( msg )
v['IP'] = match
v.addToHighlight( match )
kb.kb.append( self, 'header', v )
#
# Search for IP addresses on HTML
#
if response.is_text_or_html():
# Performance improvement!
# Remember that httpResponse objects have a faster "__in__" than
# the one in strings; so string in response.getBody() is slower than
# string in response; and regular expression matching is way slower!
if not (('10.' in response) or ('172.' in response) or \
('192.168.' in response) or ('169.254.' in response)):
return
for regex in self._regex_list:
for match in regex.findall(response.getBody()):
match = match.strip()
# Some proxy servers will return errors that include headers in the body
# along with the client IP which we want to ignore
if re.search("^.*X-Forwarded-For: .*%s" % match, response.getBody(), re.M):
continue
# If i'm requesting 192.168.2.111 then I don't want to be alerted about it
if match not in self._ignore_if_match and \
not request.sent( match ):
v = vuln.vuln()
v.setPluginName(self.getName())
v.setURL( response.getURL() )
v.setId( response.id )
v.setSeverity(severity.LOW)
v.setName( 'Private IP disclosure vulnerability' )
msg = 'The URL: "' + v.getURL() + '" returned an HTML document '
msg += 'with an IP address: "' + match + '".'
v.setDesc( msg )
v['IP'] = match
v.addToHighlight( match )
kb.kb.append( self, 'HTML', v )
def _generate_ignores(self, response):
'''
Generate the list of strings we want to ignore as private IP addresses
'''
self._ignore_if_match = []
requested_domain = response.getURL().getDomain()
self._ignore_if_match.append( requested_domain )
self._ignore_if_match.append( get_local_ip(requested_domain) )
self._ignore_if_match.append( get_local_ip() )
try:
ip_address = socket.gethostbyname(requested_domain)
except:
pass
else:
self._ignore_if_match.append( ip_address )
def setOptions( self, OptionList ):
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.
'''
self.printUniq( kb.kb.getData( 'privateIP', 'header' ), None )
self.printUniq( kb.kb.getData( 'privateIP', 'HTML' ), None )
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 body and headers for private IP addresses.
'''
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