Check Point Advisories

Microsoft Windows NEGOEX Buffer Overflow (CVE-2022-37958)

Vulnerability
Protection

Check Point Reference:	CPAI-2022-1242
Date Published:	8 Mar 2023
Severity:	High
Last Updated:	Wednesday 08 March, 2023
Source:
Industry Reference:	CVE-2022-37958
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Windows 10 x64 Microsoft Windows 10 x86 Microsoft Windows 10:20h2 arm64 Microsoft Windows 10:20h2 x64 Microsoft Windows 10:20h2 x86 Microsoft Windows 10:21h1 arm64 Microsoft Windows 10:21h1 x64 Microsoft Windows 10:21h1 x86 Microsoft Windows 10:21h2 arm64 Microsoft Windows 10:21h2 x64 Microsoft Windows 10:21h2 x86 Microsoft Windows 10:1607 x64 Microsoft Windows 10:1607 x86 Microsoft Windows 10:1809 arm64 Microsoft Windows 10:1809 x64 Microsoft Windows 10:1809 x86 Microsoft Windows 11 arm64 Microsoft Windows 11 x64 Microsoft Windows 7 sp1 x64 Microsoft Windows 7 sp1 x86 Microsoft Windows 8.1 x64 Microsoft Windows 8.1 x86 Microsoft Windows 8.1 rt Microsoft Windows server 2008 r2 sp1 x64 Microsoft Windows server 2012 Microsoft Windows server 2012 r2 Microsoft Windows server 2016 Microsoft Windows server 2019 Microsoft Windows server 2022 Microsoft Windows server 2022 azure
Vulnerability Description	A buffer overflow vulnerability exists in Microsoft Windows NEGOEX. 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 Microsoft Windows NEGOEX Buffer Overflow (CVE-2022-37958) 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 Windows NEGOEX Buffer Overflow (CVE-2022-37958)