Check Point Advisories

Microsoft Browser Elevation of Privilege (MS16-118: CVE-2016-3387)

Vulnerability
Protection

Check Point Reference:	CPAI-2016-0839
Date Published:	11 Oct 2016
Severity:	High
Last Updated:	Tuesday 11 October, 2016
Source:	Microsoft MS16-118
Industry Reference:	CVE-2016-3387
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Edge Windows 10 Microsoft Edge Windows 10 Version 1511 Microsoft Edge Windows 10 Version 1607 Internet Explorer 10 Internet Explorer 11 Internet Explorer 11 on Windows 10
Vulnerability Description	An Elevation of Privileges vulnerability exists in Internet Explorer and Edge. The vulnerability is due to a failure in properly securing a private namespace. A remote attacker could exploit this vulnerability by enticing a user to run a specially crafted executable.
Update/Patch Avaliable	Apply patches from: MS16-118

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 Browser Elevation of Privilege (MS16-118: CVE-2016-3387) 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 Browser Elevation of Privilege (MS16-118: CVE-2016-3387)