Check Point Advisories

Apple Webkit Use After Free Code Execution (CVE-2017-13798)

Check Point Reference: CPAI-2017-1613
Date Published: 5 Dec 2017
Severity: High
Last Updated: Wednesday 15 February, 2023
Source: Project Zero
Industry Reference:CVE-2017-13798
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? iOS 11.1 and earlier version
Safari 11.0.1 and earlier version
iCloud 7.1 and earlier version
iTunes 12.7.1 and earlier version
tvOS 11.1 and earlier version
Vulnerability Description A Use After Free vulnerability exists in Apple Webkit in certain Apple products. The vulnerability is due to mishandling objects in the memory. A remote attacker may exploit this vulnerability by enticing target users to open specially crafted web page.

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 R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Apple Webkit Use After Free Code Execution (CVE-2017-13798) 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-2017-13798)

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