Check Point Advisories

Microsoft Edge Chakra Scripting Engine Memory Corruption (CVE-2019-1366)

Vulnerability
Protection

Check Point Reference:	CPAI-2019-1344
Date Published:	10 Oct 2019
Severity:	Critical
Last Updated:	Thursday 10 October, 2019
Source:
Industry Reference:	CVE-2019-1366
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Edge (EdgeHTML-based) on Windows 10 for 32-bit Systems Microsoft Edge (EdgeHTML-based) on Windows 10 for x64-based Systems Microsoft Edge (EdgeHTML-based) on Windows Server 2016 Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for 32-bit Systems Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for x64-based Systems Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for 32-bit Systems Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for x64-based Systems Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for 32-bit Systems Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for x64-based Systems Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for 32-bit Systems Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for x64-based Systems Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for ARM64-based Systems Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for 32-bit Systems Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for x64-based Systems Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for ARM64-based Systems Microsoft Edge (EdgeHTML-based) on Windows Server 2019 Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for ARM64-based Systems Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for 32-bit Systems Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for x64-based Systems Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for ARM64-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 / R75

In the IPS tab, click Protections and find the Microsoft Edge Chakra Scripting Engine Memory Corruption (CVE-2019-1366) 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 Chakra Scripting Engine Memory Corruption (CVE-2019-1366)