Check Point Advisories

DNS ANY Request

Vulnerability
Protection

Check Point Reference:	CPAI-2013-1606
Date Published:	13 Mar 2013
Severity:	N/A
Last Updated:	Wednesday 13 March, 2013
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	Blocking DNS ANY requests. Such requests return all the DNS records that exist on the DNS server for the specific query. There are cases in which certain traffic, although not intended for malicious use, is very unsafe, since it may transfer shellcode which is undetectable by IPS.

Protection Overview

This protection blocks DNS ANY requests

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75

In the IPS tab, click Protections and find the DNS ANY Request protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: DNS Enforcement Violation.
Attack Information: DNS ANY Request