A Cinder security update has been released for Ubuntu Linux 18.04 LTS and 20.04 LTS.

USN-5835-4: Cinder vulnerability

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Ubuntu Security Notice USN-5835-4
February 09, 2023

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

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Cinder could be made to expose sensitive information.

Software Description:
- cinder: OpenStack storage service

Details:

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.

Update instructions:

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

Ubuntu 20.04 LTS:
python3-cinder 2:16.4.2-0ubuntu2.2

Ubuntu 18.04 LTS:
python-cinder 2:12.0.10-0ubuntu2.2

After a standard system update you need to restart Cinder to make all the

References:
https://ubuntu.com/security/notices/USN-5835-4
https://ubuntu.com/security/notices/USN-5835-1
CVE-2022-47951

Package Information:
https://launchpad.net/ubuntu/+source/cinder/2:16.4.2-0ubuntu2.2
https://launchpad.net/ubuntu/+source/cinder/2:12.0.10-0ubuntu2.2