USN-5835-4: Cinder vulnerability

USN-5835-4: Cinder vulnerability

USN-5835-1 fixed vulnerabilities in Cinder. This update provides the
corresponding updates for Ubuntu 18.04 LTS. In addition, a regression was
fixed for Ubuntu 20.04 LTS.

Original advisory details:

Guillaume Espanel, Pierre Libeau, Arnaud Morin, and Damien Rannou
discovered that Cinder 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.
Source: USN-5835-4: Cinder vulnerability