Check Point Advisories

Domain Name Fake SSL Certificate

Vulnerability
Protection

Check Point Reference:	CPAI-2015-0276
Date Published:	24 Mar 2015
Severity:	Critical
Last Updated:	Tuesday 24 March, 2015
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	PC
Vulnerability Description	A vulnerability has been discovered in the way Microsoft Windows handles digital certificates. The vulnerability is due to an improperly issued SSL certificate for the domain “live.ly”. Successful exploitation could allow a remote attacker to perform a man-in-the-middle attack on the remote host.

Protection Overview

This protection will detect and block SSL sessions using the improperly issued certificate.

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 Domain Name Fake SSL Certificate 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: Domain Name Fake SSL Certificate