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Check Point Advisories

Microsoft PDF Memory Corruption (MS17-007: CVE-2017-0023)

Check Point Reference: CPAI-2017-0095
Date Published: 14 Mar 2017
Severity: High
Last Updated: 21 May 2017
Source: Microsoft Security Bulletin MS17-007
Industry Reference:CVE-2017-0023
Protection Provided by:

Security Gateway
R80, R77, R76, R75

Who is Vulnerable? 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
Windows Server 2016 for x64-based Systems
Vulnerability Description A vulnerability exists in Microsoft EDGE and Windows PDF Library that could lead to an out of bound memory access. The issue is caused by mishandling of preblending parameters in sub mask images of certain crafted PDF files. A remote attacker can exploit this vulnerability by enticing a user to open a specially crafted website, which can lead to disclosure of sensitive information.
Update/Patch AvaliableApply patches from: MS17-007

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 / R76 / R75

  1. In the IPS tab, click Protections and find the Microsoft PDF Memory Corruption (MS17-007: CVE-2017-0023) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:

Attack Name:  Web Client Enforcement Violation.
Attack Information:  Microsoft PDF Memory Corruption (MS17-007: CVE-2017-0023)