USN-4137-1: Mosquitto vulnerability

USN-4137-1: Mosquitto vulnerability

Mosquitto vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

• Ubuntu 19.04

Summary

Mosquitto could be made to crash or run programs if it received
specially crafted network traffic.

Software Description

• mosquitto – MQTT version 3.¹⁄₃.1.1 compatible message broker

Details

It was discovered that Mosquitto incorrectly handled certain specially crafted
input and network packets. A remote attacker could use this to cause a denial
of service.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.04

libmosquitto1 – 1.5.7-1ubuntu0.1

libmosquittopp1 – 1.5.7-1ubuntu0.1

mosquitto – 1.5.7-1ubuntu0.1

mosquitto-clients – 1.5.7-1ubuntu0.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system update will make all the necessary changes.

References

• CVE-2019-11779

Source: USN-4137-1: Mosquitto vulnerability