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Ubuntu Security Notice USN-5835-5
February 09, 2023

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

- Ubuntu 18.04 LTS

Summary:

Nova could be made to expose sensitive information.

Software Description:
- nova: OpenStack Compute cloud infrastructure

Details:

USN-5835-3 fixed vulnerabilities in Nova. This update provides the
corresponding updates for Ubuntu 18.04 LTS.

Original advisory 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.

Update instructions:

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

Ubuntu 18.04 LTS:
  nova-common                     2:17.0.13-0ubuntu5.2
  python-nova                     2:17.0.13-0ubuntu5.2

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

References:
  https://ubuntu.com/security/notices/USN-5835-5
  https://ubuntu.com/security/notices/USN-5835-1
  CVE-2022-47951

Package Information:
  https://launchpad.net/ubuntu/+source/nova/2:17.0.13-0ubuntu5.2

Attachment: OpenPGP_signature
Description: OpenPGP digital signature



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