Check Point Advisories

Microsoft WINS Multiple Replication Sessions Memory Corruption

Vulnerability
Protection

Check Point Reference:	CPAI-2022-0877
Date Published:	17 Nov 2022
Severity:	High
Last Updated:	Thursday 17 November, 2022
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Windows Server 2008 Windows Server 2012 Windows Server 2016
Vulnerability Description	A memory corruption vulnerability exists in Microsoft WINS. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system.

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 Microsoft WINS Multiple Replication Sessions Memory Corruption 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: Windows SMB Protection Violation.
Attack Information: Microsoft WINS Multiple Replication Sessions Memory Corruption