Check Point Advisories

Microsoft Edge Out Of Bounds Read Information Disclosure (CVE-2018-0767)

Check Point Reference: CPAI-2018-0035
Date Published: 15 Jan 2018
Severity: Critical
Last Updated: 15 Jan 2018
Source: Microsoft CVE-2018-0767
Industry Reference:CVE-2018-0767
Protection Provided by:

Security Gateway
R80, R77, R76, R75

Who is Vulnerable? Microsoft Edge on Windows 10 Version 1511 for x64-based Systems
Microsoft Edge on Windows 10 Version 1511 for 32-bit Systems
Microsoft Edge on Windows Server 2016
Microsoft Edge on Windows 10 Version 1607 for 32-bit Systems
Microsoft Edge on Windows 10 Version 1607 for x64-based Systems
Microsoft Edge on Windows 10 Version 1703 for 32-bit Systems
Microsoft Edge on Windows 10 Version 1703 for x64-based Systems
Microsoft Edge on Windows 10 Version 1709 for 32-bit Systems
Microsoft Edge on Windows 10 Version 1709 for x64-based Systems
ChakraCore
Vulnerability Description An out of bounds read information disclosure vulnerability exists within Microsoft Edge. This is due to the way Microsoft Edge handles array segments in certain Javascript methods. A successful attack could lead to stolen information.

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 Edge Out Of Bounds Read Information Disclosure (CVE-2018-0767) 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 Edge Out Of Bounds Read Information Disclosure (CVE-2018-0767)