Staying Safe in Times of Cyber Uncertainty
Check Point Advisories

Google Chrome WebAudio Out-of-Bounds Read (CVE-2020-6388)

Check Point Reference: CPAI-2020-3250
Date Published: 7 Feb 2021
Severity: Medium
Last Updated: Sunday 07 February, 2021
Industry Reference:CVE-2020-6388
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? Google Chrome prior to 80.0.3987.87
Vulnerability Description An out of bounds read vulnerability exists in Google Chrome WebAudio. Successful exploitation of this vulnerability could cause heap corruption in 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

  1. In the IPS tab, click Protections and find the Google Chrome WebAudio Out-of-Bounds Read (CVE-2020-6388) 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:  Google Chrome WebAudio Out-of-Bounds Read (CVE-2020-6388)

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