Check Point Advisories

Transport Layer Security (TLS) Version 1.1

Vulnerability
Protection

Check Point Reference:	CPAI-2016-0927
Date Published:	20 Oct 2016
Severity:	N/A
Last Updated:	Wednesday 02 January, 2019
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	Transport Layer Security (TLS) is a cryptographic protocol meant to provide security and data integrity for communications over TCP/IP networks. TLSv1.1 is considered obsolete and insecure, and is deprecated in favor of a more advanced TLS protocol. This protection will detect and block any use of TLSv1.1 protocol.

Protection Overview

IPS will detect and block the transferring of traffic over TLSv1.1.

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 Transport Layer Security (TLS) Version 1.1 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: Transport Layer Security (TLS) Version 1.1