Check Point Advisories

Microsoft Edge Null Pointer Dereference

Vulnerability
Protection

Check Point Reference:	CPAI-2023-0264
Date Published:	12 Jun 2023
Severity:	High
Last Updated:	Monday 12 June, 2023
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Edge 44.17763.1.0
Vulnerability Description	A Null Pointer Dereference vulnerability exists in Microsoft Edge. Successful exploitation could result in a denial of service condition on the affected service.

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 Edge Null Pointer Dereference 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: Web Client Enforcement Violation.
Attack Information: Microsoft Edge Null Pointer Dereference