ESB-2017.1870 - [Ubuntu] rabbitmq-server: Unauthorised access - Remote/unauthenticated 2017-08-01

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.1870
                          RabbitMQ vulnerability
                               1 August 2017

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           rabbitmq-server
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Unauthorised Access -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-9877  

Reference:         ESB-2017.0113

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-3374-1

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==========================================================================
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

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