USN-4023-1: Mosquitto vulnerabilities

mosquitto vulnerabilities

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

• Ubuntu 18.10
• Ubuntu 18.04 LTS
• Ubuntu 16.04 LTS

Summary

Several security issues were fixed in Mosquitto.

Software Description

• mosquitto - MQTT version 3.¹⁄₃.1.1 compatible message broker

Details

It was discovered that Mosquitto broker 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 18.10

libmosquitto1 - 1.4.15-2ubuntu0.18.10.3

libmosquittopp1 - 1.4.15-2ubuntu0.18.10.3

mosquitto - 1.4.15-2ubuntu0.18.10.3

mosquitto-clients - 1.4.15-2ubuntu0.18.10.3

Ubuntu 18.04 LTS

libmosquitto1 - 1.4.15-2ubuntu0.18.04.3

libmosquittopp1 - 1.4.15-2ubuntu0.18.04.3

mosquitto - 1.4.15-2ubuntu0.18.04.3

mosquitto-clients - 1.4.15-2ubuntu0.18.04.3

Ubuntu 16.04 LTS

libmosquitto1 - 1.4.8-1ubuntu0.16.04.7

libmosquittopp1 - 1.4.8-1ubuntu0.16.04.7

mosquitto - 1.4.8-1ubuntu0.16.04.7

mosquitto-clients - 1.4.8-1ubuntu0.16.04.7

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-2017-7653
• CVE-2017-7654

from Ubuntu Security Notices http://bit.ly/2ItBiW7