Check Point Advisories

OpenSSL Use After Free (CVE-2016-6309)

Vulnerability
Protection

Check Point Reference:	CPAI-2016-1089
Date Published:	6 Dec 2016
Severity:	Critical
Last Updated:	Sunday 25 May, 2025
Source:
Industry Reference:	CVE-2016-6309
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	OpenSSL 1.1.0a
Vulnerability Description	A use-after-free vulnerability exists in OpenSSL. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system.

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 R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the OpenSSL Use After Free (CVE-2016-6309) 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: OpenSSL Enforcement Violation.
Attack Information: OpenSSL Use After Free (CVE-2016-6309)