Check Point Advisories

Microsoft Edge Scripting Engine Memory Corruption (MS16-129: CVE-2016-7242)

Check Point Reference: CPAI-2016-0941
Date Published: 8 Nov 2016
Severity: Critical
Last Updated: Thursday 29 December, 2016
Source: Microsoft MS16-129
Industry Reference:CVE-2016-7242
Protection Provided by:

Security Gateway
R81, R80, R77, 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 type confusion vulnerability exists in Microsoft Edge. The vulnerability is due to the way JavaScript engine renders when handling objects in memory. A remote unauthenticated attacker could exploit this vulnerability by enticing the target user to open a specially crafted web page.
Update/Patch AvaliableApply patches from: MS16-129

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

  1. In the IPS tab, click Protections and find the Microsoft Edge Scripting Engine Memory Corruption (MS16-129: CVE-2016-7242) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Client Enforcement Violation.
Attack Information:  Microsoft Edge Scripting Engine Memory Corruption (MS16-129: CVE-2016-7242)

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