USN-4104-1: Nova vulnerability

19 August 2019

nova vulnerability

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

  • Ubuntu 19.04
  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 LTS


Nova could be made to expose sensitive information.

Software Description

  • nova - OpenStack Compute cloud infrastructure


Donny Davis discovered that the Nova Compute service could return configuration or other information in response to a failed API request in some situations. A remote attacker could use this to expose sensitive information.

Update instructions

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

Ubuntu 19.04
nova-compute - 2:19.0.1-0ubuntu2.1
python3-nova - 2:19.0.1-0ubuntu2.1
Ubuntu 18.04 LTS
nova-compute - 2:17.0.10-0ubuntu2.1
python-nova - 2:17.0.10-0ubuntu2.1
Ubuntu 16.04 LTS
nova-compute - 2:13.1.4-0ubuntu4.5
python-nova - 2:13.1.4-0ubuntu4.5

To update your system, please follow these instructions:

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