Check Point Advisories

MatrixSSL Verify X.509 Certificate Stack Buffer Overflow

Vulnerability
Protection

Check Point Reference:	CPAI-2022-0879
Date Published:	17 Nov 2022
Severity:	Medium
Last Updated:	Sunday 18 June, 2023
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	MatrixSSL before version 4.0.2
Vulnerability Description	A buffer overflow vulnerability exists in MatrixSSL. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system or cause application crashes.

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 MatrixSSL Verify X.509 Certificate Stack Buffer Overflow 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: MatrixSSL Verify X.509 Certificate Stack Buffer Overflow