Check Point Advisories

Microsoft Windows Network File System Remote Code Execution (CVE-2022-30136)

Vulnerability
Protection

Check Point Reference:	CPAI-2022-0553
Date Published:	26 Jun 2023
Severity:	Critical
Last Updated:	Monday 26 June, 2023
Source:
Industry Reference:	CVE-2022-30136
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Windows Server 2008 for 32-bit Systems Service Pack 2 Microsoft Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) Microsoft Windows Server 2008 for x64-based Systems Service Pack 2 Microsoft Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) Microsoft Windows Server 2008 R2 Service Pack 1 Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core Installation) Microsoft Windows Server 2008 Service Pack 2 Microsoft Windows Server 2008 Service Pack 2 (Server Core Installation) Microsoft Windows Server 2012 Microsoft Windows Server 2012 (Server Core installation) Microsoft Windows Server 2012 R2 Microsoft Windows Server 2012 R2 (Server Core installation) Microsoft Windows Server 2016 Microsoft Windows Server 2016 (Server Core installation) Microsoft Windows Server 2019 Microsoft Windows Server 2019 (Server Core installation) Microsoft Windows Server 2022 Microsoft Windows Server version 20H2 (Server Core Installation)
Vulnerability Description	A remote code execution vulnerability exists in Microsoft Windows. 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 Windows Network File System Remote Code Execution (CVE-2022-30136) 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: NFS Protection Violation.
Attack Information: Microsoft Windows Network File System Remote Code Execution (CVE-2022-30136)