Check Point Advisories

Microsoft Excel Security Feature Bypass (CVE-2021-42292)

Vulnerability
Protection

Check Point Reference:	CPAI-2021-0803
Date Published:	9 Nov 2021
Severity:	High
Last Updated:	Tuesday 09 November, 2021
Source:	Microsoft CVE-2021-42292
Industry Reference:	CVE-2021-42292
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Office 2019 for 32-bit editions Microsoft Office 2019 for 64-bit editions Microsoft Office 2019 for Mac Microsoft Office LTSC for Mac 2021 Microsoft Office LTSC 2021 for 64-bit editions Microsoft Office LTSC 2021 for 32-bit editions Microsoft Office 2016 (32-bit edition) Microsoft Office 2016 (64-bit edition)
Vulnerability Description	A security bypass vulnerability exists in Microsoft Windows. Successful exploitation of this vulnerability would allow remote attackers to bypass security tests and protocols 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 Excel Security Feature Bypass (CVE-2021-42292) 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: Content Protection Violation.
Attack Information: Microsoft Excel Security Feature Bypass (CVE-2021-42292)