Check Point Advisories

Microsoft Edge Memory Corruption (CVE-2017-11888; CVE-2018-8125)

Vulnerability
Protection

Check Point Reference:	CPAI-2017-1032
Date Published:	12 Dec 2017
Severity:	High
Last Updated:	Tuesday 10 July, 2018
Source:	Microsoft CVE-2017-11888
Industry Reference:	CVE-2017-11888 CVE-2018-8125
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Edge on Windows 10 for 32-bit Systems Microsoft Edge on Windows 10 for x64-based Systems Microsoft Edge on Windows 10 Version 1511 for x64-based Systems Microsoft Edge on Windows 10 Version 1511 for 32-bit Systems Microsoft Edge on Windows Server 2016 Microsoft Edge on Windows 10 Version 1607 for 32-bit Systems Microsoft Edge on Windows 10 Version 1607 for x64-based Systems 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
Vulnerability Description	A remote code execution vulnerability exists in Microsoft Edge. The vulnerability is in the way that Microsoft browser javascript engines render content when handling objects in memory. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user.

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 Memory Corruption (CVE-2017-11888) 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 Memory Corruption (CVE-2017-11888)