USN-5835-3: Nova vulnerability

Published Jan 31, 2023
·
Updated

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.

Affected Software

12 affected componentsFixes available
All of the following
ubuntu/nova-common<3:26.1.0-0ubuntu1
3:26.1.0-0ubuntu1
Ubuntu Ubuntu=22.10
All of the following
ubuntu/python3-nova<3:26.1.0-0ubuntu1
3:26.1.0-0ubuntu1
Ubuntu Ubuntu=22.10
All of the following
ubuntu/nova-common<3:25.1.0-0ubuntu1
3:25.1.0-0ubuntu1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/python3-nova<3:25.1.0-0ubuntu1
3:25.1.0-0ubuntu1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/nova-common<2:21.2.4-0ubuntu2.1
2:21.2.4-0ubuntu2.1
Ubuntu Ubuntu=20.04
All of the following
ubuntu/python3-nova<2:21.2.4-0ubuntu2.1
2:21.2.4-0ubuntu2.1
Ubuntu Ubuntu=20.04

Event History

Jan 31, 2023
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-5835-3?

The severity of USN-5835-3 is categorized as high due to the potential for an authenticated attacker to exploit the vulnerability.

2

How do I fix USN-5835-3?

To fix USN-5835-3, upgrade to the appropriate package versions specified in the advisory for your Ubuntu release.

3

What is the impact of USN-5835-3?

The impact of USN-5835-3 allows an authenticated attacker to read arbitrary files from the server which may contain sensitive information.

4

Which Ubuntu versions are affected by USN-5835-3?

USN-5835-3 affects Ubuntu 22.10, 22.04, and 20.04 with specific versions of nova-common and python3-nova.

5

Who discovered the USN-5835-3 vulnerability?

The USN-5835-3 vulnerability was discovered by Guillaume Espanel, Pierre Libeau, Arnaud Morin, and Damien Rannou.

Contact

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