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Ubuntu 19.04: USN-4137-1 Moderate: Mosquitto Denial Of Service

ubuntu
Calendar Grey September 23, 2019
Dist Ubuntu Esm H88
Ubuntu Security Alert USN-4138-1 highlights a vulnerability in the OpenSSH package that could lead to service disruptions or the execution of malicious scripts.
Mosquitto could be made to crash or run programs if it received specially crafted network traffic.

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.

Topics%20covered

Topics Covered

security advisory denial of service network traffic ubuntu mosquitto

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

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

References

https://ubuntu.com/security/notices/USN-4137-1

CVE-2019-11779

September 23, 2019

Topics%20covered

Topics Covered

security advisory denial of service network traffic ubuntu mosquitto

Package Information

https://launchpad.net/ubuntu/+source/mosquitto/1.5.7-1ubuntu0.1

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