Check Point Advisories

Microsoft Visual Studio Heap Buffer Overflow (CVE-2021-36952)

Vulnerability
Protection

Check Point Reference:	CPAI-2021-1835
Date Published:	28 Aug 2023
Severity:	High
Last Updated:	Monday 28 August, 2023
Source:
Industry Reference:	CVE-2021-36952
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Visual Studio 2017 15.0 up to 15.9 Microsoft Visual Studio 2019 16.0 up to 16.7
Vulnerability Description	A heap buffer overflow vulnerability exists in Microsoft Visual Studio. 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 Visual Studio Heap Buffer Overflow (CVE-2021-36952) 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 Visual Studio Heap Buffer Overflow (CVE-2021-36952)