/usr/share/w3af/plugins/grep/strangeHeaders.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.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 | '''
strangeHeaders.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.info as info
from core.controllers.misc.groupbyMinKey import groupbyMinKey
class strangeHeaders(baseGrepPlugin):
'''
Grep headers for uncommon headers sent in HTTP responses.
@author: Andres Riancho ( andres.riancho@gmail.com )
'''
def __init__(self):
baseGrepPlugin.__init__(self)
self._common_headers = self._getCommonHeaders()
def grep(self, request, response):
'''
Plugin entry point.
@parameter request: The HTTP request object.
@parameter response: The HTTP response object
@return: None, all results are saved in the kb.
'''
# Check if the header names are common or not
for header_name in response.getHeaders().keys():
if header_name.upper() not in self._common_headers:
# I check if the kb already has a info object with this code:
strange_header_infos = kb.kb.getData('strangeHeaders', 'strangeHeaders')
corresponding_info = None
for info_obj in strange_header_infos:
if info_obj['header_name'] == header_name:
corresponding_info = info_obj
break
if corresponding_info:
# Work with the "old" info object:
id_list = corresponding_info.getId()
id_list.append( response.id )
corresponding_info.setId( id_list )
else:
# Create a new info object from scratch and save it to the kb:
i = info.info()
i.setPluginName(self.getName())
i.setName('Strange header')
i.setURL( response.getURL() )
i.setId( response.id )
msg = 'The remote web server sent the HTTP header: "' + header_name
msg += '" with value: "' + response.getHeaders()[header_name] + '".'
i.setDesc( msg )
i['header_name'] = header_name
hvalue = response.getHeaders()[header_name]
i['header_value'] = hvalue
i.addToHighlight( hvalue, header_name )
kb.kb.append( self , 'strangeHeaders' , i )
# Now check for protocol anomalies
self._content_location_not_300(request, response)
def _content_location_not_300( self, request, response):
'''
Check if the response has a content-location header and the response code
is not in the 300 range.
@return: None, all results are saved in the kb.
'''
if 'content-location' in response.getLowerCaseHeaders() \
and response.getCode() not in xrange(300,310):
i = info.info()
i.setPluginName(self.getName())
i.setName('Content-Location HTTP header anomaly')
i.setURL( response.getURL() )
i.setId( response.id )
msg = 'The URL: "' + i.getURL() + '" sent the HTTP header: "content-location"'
msg += ' with value: "' + response.getLowerCaseHeaders()['content-location']
msg += '" in an HTTP response with code ' + str(response.getCode()) + ' which is'
msg += ' a violation to the RFC.'
i.setDesc( msg )
i.addToHighlight( 'content-location' )
kb.kb.append( self , 'anomaly' , i )
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.
'''
headers = kb.kb.getData( 'strangeHeaders', 'strangeHeaders' )
# This is how I saved the data:
#i['header_name'] = header_name
#i['header_value'] = response.getHeaders()[header_name]
# Group correctly
tmp = []
for i in headers:
tmp.append( (i['header_name'], i.getURL() ) )
# And don't print duplicates
tmp = list(set(tmp))
resDict, itemIndex = groupbyMinKey( tmp )
if itemIndex == 0:
# Grouped by header_name
msg = 'The header: "%s" was sent by these URLs:'
else:
# Grouped by URL
msg = 'The URL: "%s" sent these strange headers:'
for k in resDict:
om.out.information(msg % k)
for i in resDict[k]:
om.out.information('- ' + i )
def _getCommonHeaders(self):
headers = []
### TODO: verify if I need to add more values here
# Remember that this headers are only the ones SENT BY THE SERVER TO THE CLIENT
# Headers must be uppercase in order to compare them
headers.append("ACCEPT-RANGES")
headers.append("AGE")
headers.append("ALLOW")
headers.append("CONNECTION")
headers.append("CONTENT-ENCODING")
headers.append("CONTENT-LENGTH")
headers.append("CONTENT-TYPE")
headers.append("CONTENT-LANGUAGE")
headers.append("CONTENT-LOCATION")
headers.append("CACHE-CONTROL")
headers.append("DATE")
headers.append("EXPIRES")
headers.append("ETAG")
headers.append("KEEP-ALIVE")
headers.append("LAST-MODIFIED")
headers.append("LOCATION")
headers.append("PUBLIC")
headers.append("PRAGMA")
headers.append("PROXY-CONNECTION")
headers.append("SET-COOKIE")
headers.append("SERVER")
headers.append("STRICT-TRANSPORT-SECURITY")
headers.append("TRANSFER-ENCODING")
headers.append("VIA")
headers.append("VARY")
headers.append("WWW-AUTHENTICATE")
headers.append("X-FRAME-OPTIONS")
headers.append("X-CONTENT-TYPE-OPTIONS")
headers.append("X-POWERED-BY")
headers.append("X-ASPNET-VERSION")
headers.append("X-CACHE")
headers.append("X-UA-COMPATIBLE")
headers.append("X-PAD")
return headers
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 all headers for non-common headers. This could be usefull to identify special modules
and features added to the server.
'''
|