Check Point Advisories

Microsoft Edge Scripting Engine Memory Corruption (CVE-2018-8456)

Check Point Reference: CPAI-2018-0871
Date Published: 11 Sep 2018
Severity: Critical
Last Updated: 11 Sep 2018
Source: Microsoft CVE-2018-8456
Industry Reference:CVE-2018-8456
Protection Provided by:

Security Gateway
R80, R77, R76, R75

Who is Vulnerable? Microsoft Edge on Windows 10 Version 1703 for 32-bit Systems
Microsoft Edge on Windows 10 Version 1703 for x64-based Systems
Microsoft Edge on Windows 10 Version 1709 for 32-bit Systems
Microsoft Edge on Windows 10 Version 1709 for x64-based Systems
Microsoft Edge on Windows 10 Version 1803 for 32-bit Systems
Microsoft Edge on Windows 10 Version 1803 for x64-based Systems
ChakraCore
Vulnerability Description A memory corruption vulnerability exists in Microsoft Edge. 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 / R76 / R75

  1. In the IPS tab, click Protections and find the Microsoft Edge Scripting Engine Memory Corruption (CVE-2018-8456) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:

Attack Name:  Web Client Enforcement Violation.
Attack Information:  Microsoft Edge Scripting Engine Memory Corruption (CVE-2018-8456)

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