Check Point Advisories

Apple Multiple Products Out-of-Bounds Read (CVE-2020-3894)

Vulnerability
Protection

Check Point Reference:	CPAI-2020-3252
Date Published:	7 Feb 2021
Severity:	Medium
Last Updated:	Sunday 07 February, 2021
Source:
Industry Reference:	CVE-2020-3894
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Apple iCloud Apple iTunes Apple Safari Apple iPadOS Apple iPhoneOS Apple tvOS
Vulnerability Description	An out of bounds read vulnerability exists in multiple Apple products. Successful exploitation of this vulnerability could allow a remote attacker to access restricted memory.

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 Multiple Products Out-of-Bounds Read (CVE-2020-3894) 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 Multiple Products Out-of-Bounds Read (CVE-2020-3894)