Check Point Advisories

Microsoft Scripting Engine Memory Corruption (CVE-2018-8391)

Check Point Reference: CPAI-2018-0876
Date Published: 11 Sep 2018
Severity: Critical
Last Updated: Tuesday 11 September, 2018
Source: Microsoft CVE-2018-8391
Industry Reference:CVE-2018-8391
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? ChakraCore
Vulnerability Description A memory corruption vulnerability exists in Microsoft Windows. 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 R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Microsoft Scripting Engine Memory Corruption (CVE-2018-8391) 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:  Content Protection Violation.
Attack Information:  Microsoft Scripting Engine Memory Corruption (CVE-2018-8391)

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