Check Point Advisories

Websocket Extensions Denial of Service (CVE-2020-7662; CVE-2020-7663)

Check Point Reference: CPAI-2020-0507
Date Published: 16 Jun 2020
Severity: High
Last Updated: 16 Jun 2020
Industry Reference:CVE-2020-7662
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable? Websocket Extensions prior to 0.1.5
Vulnerability Description A denial-of-service vulnerability exists in Websocket Extensions. Successful exploitation of this vulnerability could cause a denial-of-service condition.

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 Websocket Extensions Denial of Service (CVE-2020-7662) 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 Server Enforcement Violation.
Attack Information:  Websocket Extensions Denial of Service (CVE-2020-7662)

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