Check Point Advisories

ISC BIND Recursive Nameservers Prefetch Denial of Service (CVE-2014-3214)

Vulnerability
Protection

Check Point Reference:	CPAI-2014-1668
Date Published:	25 Jun 2014
Severity:	Critical
Last Updated:	Wednesday 16 July, 2014
Source:	ISC AA-01161
Industry Reference:	CVE-2014-3214
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	ISC BIND 9.10.0
Vulnerability Description	A denial of service vulnerability has been reported in ISC BIND. The vulnerability is due to an assertion failure when processing queries involved in the prefetch feature of recursive nameservers. A remote attacker may exploit this vulnerability by sending a specially crafted query to the affected servers.

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 Recursive Nameservers Prefetch 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 Recursive Nameservers Prefetch Denial of Service