Check Point Advisories

Fraudulent SSL Certificates Man-In-The-Middle

Vulnerability
Protection

Check Point Reference:	CPAI-2014-1153
Date Published:	16 Mar 2014
Severity:	High
Last Updated:	Wednesday 21 February, 2018
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Web Browsers
Vulnerability Description	Fake SSL certificates may be used to carry out man-in-the-middle attacks against affected targets. Successful attacks would allow attackers to decrypt legitimate online traffic.

Protection Overview

This protection will detect and block attempts to use improperly issued certificates.

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 Fraudulent SSL Certificates Man-In-The-Middle 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: Fraudulent SSL Certificates Man-In-The-Middle