USN-3374-1: RabbitMQ vulnerability

31 July 2017

rabbitmq-server vulnerability

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

  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS


RabbitMQ could allow unintended access to network services.

Software Description

  • rabbitmq-server - AMQP server written in Erlang


It was discovered that RabbitMQ incorrectly handled MQTT (MQ Telemetry Transport) authentication. A remote attacker could use this issue to authenticate successfully with an existing username by omitting the password.

Update instructions

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

Ubuntu 16.04 LTS
rabbitmq-server - 3.5.7-1ubuntu0.16.04.2
Ubuntu 14.04 LTS
rabbitmq-server - 3.2.4-1ubuntu0.1

To update your system, please follow these instructions:

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