Check Point Advisories

Microsoft Internet Explorer Information Disclosure (CVE-2018-0891)

Vulnerability
Protection

Check Point Reference:	CPAI-2018-0180
Date Published:	21 Mar 2018
Severity:	Medium
Last Updated:	Thursday 31 May, 2018
Source:
Industry Reference:	CVE-2018-0891
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Internet Explorer in Microsoft Windows 7 SP1 Internet Explorer in Windows Server 2008 Internet Explorer in Windows RT 8.1 Internet Explorer in Windows 8.1 Internet Explorer in Windows Server 2012 Internet Explorer and Microsoft Edge for in Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 ChakraCore
Vulnerability Description	An information disclosure vulnerability exists in Microsoft Internet Explorer. Successful exploitation of this vulnerability would allow a remote attacker to obtain sensitive information.

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 Internet Explorer Information Disclosure (CVE-2018-0891) 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 Internet Explorer Information Disclosure (CVE-2018-0891)