USN-5835-3: Nova vulnerability

Publication date

31 January 2023

Overview

Nova could be made to expose sensitive information.


Packages

  • nova - OpenStack Compute cloud infrastructure

Details

Guillaume Espanel, Pierre Libeau, Arnaud Morin, and Damien Rannou
discovered that Nova incorrectly handled VMDK image processing. An
authenticated attacker could possibly supply a specially crafted VMDK flat
image and obtain arbitrary files from the server containing sensitive
information.

Guillaume Espanel, Pierre Libeau, Arnaud Morin, and Damien Rannou
discovered that Nova incorrectly handled VMDK image processing. An
authenticated attacker could possibly supply a specially crafted VMDK flat
image and obtain arbitrary files from the server containing sensitive
information.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
22.10 kinetic nova-common –  3:26.1.0-0ubuntu1
python3-nova –  3:26.1.0-0ubuntu1
22.04 jammy nova-common –  3:25.1.0-0ubuntu1
python3-nova –  3:25.1.0-0ubuntu1
20.04 focal nova-common –  2:21.2.4-0ubuntu2.1
python3-nova –  2:21.2.4-0ubuntu2.1

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


Have additional questions?

Talk to a member of the team ›