Check Point Advisories

DNS ANY Queries Denial of Service

Check Point Reference: CPAI-2019-0591
Date Published: 15 May 2019
Severity: High
Last Updated: 15 May 2019
Source:
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable?
Vulnerability Description A denial of service vulnerability exists in the DNS protocol. Successful exploitation would result in a crash of the server process leading to denial of service.

Protection Overview

This protection detects attempts to exploit this vulnerability.

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

  1. In the IPS tab, click Protections and find the DNS ANY Queries Denial of Service protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  DNS Enforcement Violation.
Attack Information:  DNS ANY Queries Denial of Service

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