==========================================================================
Ubuntu Security Notice USN-3374-1
July 31, 2017

rabbitmq-server vulnerability
==========================================================================

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

- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

RabbitMQ could allow unintended access to network services.

Software Description:
- rabbitmq-server: AMQP server written in Erlang

Details:

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

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

References:
  https://www.ubuntu.com/usn/usn-3374-1
  CVE-2016-9877

Package Information:
  https://launchpad.net/ubuntu/+source/rabbitmq-server/3.5.7-1ubuntu0.16.04.2
  https://launchpad.net/ubuntu/+source/rabbitmq-server/3.2.4-1ubuntu0.1