Check Point Advisories

Microsoft Edge Scripting Engine Memory Corruption (CVE-2017-11870)

Vulnerability
Protection

Check Point Reference:	CPAI-2017-1024
Date Published:	28 Nov 2017
Severity:	High
Last Updated:	Sunday 19 March, 2023
Source:	Microsoft CVE-2017-11870
Industry Reference:	CVE-2017-11870
Protection Provided by:	Security Gateway R81, R80, R77, 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 64-based Systems Microsoft Edge on Windows Server, version 1709 (Server Core Installation) 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 R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Microsoft Edge Scripting Engine Memory Corruption (CVE-2017-11870) 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 Scripting Engine Memory Corruption (CVE-2017-11870)