Check Point Advisories

ISC BIND RDATA Handling Assertion Failure Denial of Service (CVE-2012-4244; CVE-2013-4854)

Vulnerability
Protection

Check Point Reference:	CPAI-2013-2868
Date Published:	19 Aug 2013
Severity:	Critical
Last Updated:	Monday 14 October, 2013
Source:
Industry Reference:	CVE-2012-4244 CVE-2013-4854
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A denial of service vulnerability exists in ISC BIND. The vulnerability is due to an assertion failure that occurs when handling malformed RDATA. A remote attacker could exploit this vulnerability by sending a DNS query response with a specially crafted resource record to an affected server.

Protection Overview

This protection will detect and block 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

In the IPS tab, click Protections and find the ISC BIND RDATA Handling Assertion Failure Denial of Service 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: ISC BIND RDATA Handling Assertion Failure Denial of Service