Check Point Advisories

Microsoft Office Memory Corruption (MS16-099: CVE-2016-3313)

Vulnerability
Protection

Check Point Reference:	CPAI-2016-0677
Date Published:	9 Aug 2016
Severity:	High
Last Updated:	Tuesday 09 August, 2016
Source:	Microsoft MS16-099
Industry Reference:	CVE-2016-3313
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Office 2007 Microsoft Office 2010 Microsoft Office 2013 Microsoft Office 2013 RT Microsoft Office 2016
Vulnerability Description	A memory corruption vulnerability exists in Microsoft Office. The vulnerability is due to an error in the way Microsoft Office parsing specially crafted files. A remote attacker can exploit this issue by enticing a victim to open a specially crafted file.
Update/Patch Avaliable	Apply patches from: MS16-099

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 Office Memory Corruption (MS16-099: CVE-2016-3313) 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 Office Memory Corruption (MS16-099: CVE-2016-3313)