Check Point Advisories

Microsoft Office Memory Corruption (MS16-133: CVE-2016-7236)

Vulnerability
Protection

Check Point Reference:	CPAI-2016-0988
Date Published:	8 Nov 2016
Severity:	High
Last Updated:	Tuesday 08 November, 2016
Source:	Microsoft MS16-133
Industry Reference:	CVE-2016-7236
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Excel 2010 Service Pack 2 Microsoft Excel for Mac 2011 Microsoft Excel 2016 for Mac Excel Services on Microsoft SharePoint Server 2010 Service Pack 2
Vulnerability Description	A use-after-free vulnerability exists in Microsoft Office. A remote attacker can exploit this issue by enticing a user to open a specially crafted .xlsb file. An attacker who successfully exploited the vulnerabilities could run arbitrary code in the context of the current user.
Update/Patch Avaliable	Apply patches from: MS16-133

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 (MS16-133: CVE-2016-7236) 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: Content Protection Violation.
Attack Information: Microsoft Office Memory Corruption (MS16-133: CVE-2016-7236)