Check Point Advisories

NanoMQ MQTT Broker Denial Of Service

Vulnerability
Protection

Check Point Reference:	CPAI-2021-0726
Date Published:	27 Sep 2021
Severity:	High
Last Updated:	Monday 27 September, 2021
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A denial of service vulnerability exists in NanoMQ MQTT Broker. Successful exploitation of this vulnerability could result in denial of service conditions.

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 NanoMQ MQTT Broker Denial Of Service 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: Application Servers Protection Violation.
Attack Information: NanoMQ MQTT Broker Denial Of Service