Check Point Advisories

Microsoft Edge Spoofing (CVE-2018-8383)

Vulnerability
Protection

Check Point Reference:	CPAI-2018-0814
Date Published:	14 Aug 2018
Severity:	High
Last Updated:	Tuesday 14 August, 2018
Source:	Microsoft CVE-2018-8383
Industry Reference:	CVE-2018-8383
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Edge on Windows 10 Version 1803 for 32-bit Systems Microsoft Edge on Windows 10 Version 1803 for x64-based Systems
Vulnerability Description	A spoofing vulnerability exists in Microsoft Edge. Successful exploitation of this vulnerability would allow a remote attacker to impersonate and present itself as a legitimate host.

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 Spoofing (CVE-2018-8383) 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 Spoofing (CVE-2018-8383)