Check Point Advisories

Apple WebKit Use After Free Code Execution (CVE-2018-4317)

Check Point Reference: CPAI-2018-1002
Date Published: 18 Sep 2018
Severity: High
Last Updated: Tuesday 09 October, 2018
Source: Project zero
Industry Reference:CVE-2018-4317
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Apple WebKit
Vulnerability Description A use-after-free vulnerability exists in Apple WebKit. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system.

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 Apple WebKit Use After Free Code Execution (CVE-2018-4317) 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:  Apple WebKit Use After Free Code Execution (CVE-2018-4317)

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