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
Source: USN-4023-1: Mosquitto vulnerabilities
