Check Point Advisories

Microsoft Office Information Disclosure (MS16-070: CVE-2016-3234)

Vulnerability
Protection

Check Point Reference:	CPAI-2016-0427
Date Published:	14 Jun 2016
Severity:	High
Last Updated:	Tuesday 09 August, 2016
Source:	Microsoft MS16-070
Industry Reference:	CVE-2016-3234
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Word 2007 Service Pack 3 Microsoft Office 2010 Service Pack 2 (32-bit editions) Microsoft Office 2010 Service Pack 2 (64-bit editions) Microsoft Word 2010 Service Pack 2 (32-bit editions) Microsoft Word 2010 Service Pack Microsoft Office Compatibility Pack Service Pack 3 Microsoft Word Viewer Microsoft SharePoint Server 2010 Microsoft SharePoint Server 2013 Microsoft Office Web Apps 2010 Microsoft Office Web Apps 2013
Vulnerability Description	An out of bound memory access vulnerability was discovered within Microsoft office word. The root cause comes from wwlib.dll sub components that could lead to an out of bound memory read when processing a malformed rtf document.
Update/Patch Avaliable	Apply patches from: MS16-070

Protection Overview

This protection will detect and block 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 Information Disclosure (MS16-070: CVE-2016-3234) 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 Information Disclosure (MS16-070: CVE-2016-3234)