Check Point Advisories

Microsoft ChakraCore Use After Free (CVE-2017-11812)

Vulnerability
Protection

Check Point Reference:	CPAI-2017-1798
Date Published:	20 Feb 2024
Severity:	High
Last Updated:	Tuesday 20 February, 2024
Source:
Industry Reference:	CVE-2017-11812
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft ChakraCore 1.7.2 and prior Microsoft Edge
Vulnerability Description	A use-after-free vulnerability exists in Microsoft ChakraCore. 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 ChakraCore Use After Free (CVE-2017-11812) 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 ChakraCore Use After Free (CVE-2017-11812)