Check Point Advisories

Microsoft Windows PDF Library Information Disclosure (MS16-115: CVE-2016-3374)

Vulnerability
Protection

Check Point Reference:	CPAI-2016-0751
Date Published:	13 Sep 2016
Severity:	Medium
Last Updated:	Monday 31 October, 2016
Source:	Microsoft MS16-115
Industry Reference:	CVE-2016-3374
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Windows 8.1 for 32-bit Systems Windows 8.1 for x64-based Systems Windows Server 2012 Windows Server 2012 R2 Windows RT 8.1 Windows 10 for 32-bit Systems Windows 10 for x64-based Systems Windows 10 Version 1511 for 32-bit Systems Windows 10 Version 1511 for x64-based Systems Windows 10 Version 1607 for 32-bit Systems Windows 10 Version 1607 for x64-based Systems
Vulnerability Description	An out of bounds memory access vulnerability exists within Microsoft Edge and Windows PDF Library. The vulnerability is due to an error in parsing a malformed PDF document. A remote attacker can exploit this issue by enticing a target victim to open a specially crafted PDF file.
Update/Patch Avaliable	Apply patches from: MS16-115

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 Windows PDF Library Information Disclosure (MS16-115: CVE-2016-3374) 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 Windows PDF Library Information Disclosure (MS16-115: CVE-2016-3374)