Check Point Advisories

Apple Safari WebKit Memory Corruption (CVE-2016-4657)

Vulnerability
Protection

Check Point Reference:	CPAI-2016-1147
Date Published:	21 Apr 2021
Severity:	High
Last Updated:	Sunday 19 November, 2023
Source:
Industry Reference:	CVE-2016-4657
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Apple iOS prior to 9.3.5
Vulnerability Description	A memory corruption vulnerability exists in Apple Safari 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 R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Apple Safari WebKit Memory Corruption (CVE-2016-4657) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Client Enforcement Violation.
Attack Information: Apple Safari WebKit Memory Corruption (CVE-2016-4657)