Check Point Advisories

Weak SSH Cipher Suites

Vulnerability
Protection

Check Point Reference:	CPAI-2020-0079
Date Published:	19 Feb 2020
Severity:	High
Last Updated:	Wednesday 19 February, 2020
Source:
Protection Provided by:	Security Gateway R81, R80
Who is Vulnerable?	SSH client
Vulnerability Description	Communication with SSH servers using weak cipher suites might be prone to attacks trying to intercept secure communications.

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 R80

In the IPS tab, click Protections and find the Weak SSH Cipher Suites 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: SSH Protection Violation.
Attack Information: Weak SSH Cipher Suites