Check Point Advisories

OpenSSL Invalid Session Ticket Denial of Service (CVE-2014-3567)

Vulnerability
Protection

Check Point Reference:	CPAI-2014-1952
Date Published:	3 Nov 2014
Severity:	High
Last Updated:	Tuesday 19 December, 2017
Source:	OpenSSL Project0141015 secadv_20141015
Industry Reference:	CVE-2014-3567
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	OpenSSL Project OpenSSL prior to 0.9.8zc OpenSSL Project OpenSSL prior to 1.0.0o OpenSSL Project OpenSSL prior to 1.0.1j
Vulnerability Description	A denial-of-service vulnerability exists in OpenSSL. It is due to a memory leak when OpenSSL processes invalidsession tickets to verify their integrity. A remote, unauthenticated attacker can send crafted handshake messages to cause memory leaks, exhaust system memory and create a denial of service condition on an application using the vulnerable library.

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 OpenSSL Invalid Session Ticket 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: SSL Enforcement Violation.
Attack Information: OpenSSL Invalid Session Ticket Denial of Service