Check Point Advisories

Microsoft Windows .NET Framework Elevation of Privilege (CVE-2023-36899)

Check Point Reference: CPAI-2023-1120
Date Published: 6 Dec 2023
Severity: High
Last Updated: Wednesday 06 December, 2023
Source:
Industry Reference:CVE-2023-36899
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Microsoft .NET Framework 4.8.0
Vulnerability Description A privilege escalation vulnerability exists in Microsoft Windows .NET Framework. Successful exploitation of this vulnerability would allow a remote attacker to gain unauthorized access to 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

  1. In the IPS tab, click Protections and find the Microsoft Windows .NET Framework Elevation of Privilege (CVE-2023-36899) protection using the Search tool and Edit the protection's settings.
  2. 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 .NET Framework Elevation of Privilege (CVE-2023-36899)

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