Check Point Advisories

ISC BIND EDNS Option Processing Denial of Service - Ver2 (CVE-2014-3859)

Vulnerability
Protection

Check Point Reference:	CPAI-2015-0307
Date Published:	26 Mar 2015
Severity:	Medium
Last Updated:	Tuesday 06 February, 2018
Source:
Industry Reference:	CVE-2014-3859
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A denial of service vulnerability has been reported in ISC BIND. The vulnerability is caused by an assertion failure when processing the EDNS option. A remote attacker may exploit this vulnerability by sending a specially crafted query to the affected servers. Successful exploitation would result in the BIND service terminating unexpectedly.

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 EDNS Option Processing Denial of Service - Ver2 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 EDNS Option Processing Denial of Service - Ver2