- Vulnerability/
- USN-5835-3
USN-5835-3: Nova vulnerability
First published: Tue 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 | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/nova-common | <3:26.1.0-0ubuntu1 | 3:26.1.0-0ubuntu1 |
| Ubuntu | =22.10 | |
| All of | ||
| ubuntu/python3-nova | <3:26.1.0-0ubuntu1 | 3:26.1.0-0ubuntu1 |
| Ubuntu | =22.10 | |
| All of | ||
| ubuntu/nova-common | <3:25.1.0-0ubuntu1 | 3:25.1.0-0ubuntu1 |
| Ubuntu | =22.04 | |
| All of | ||
| ubuntu/python3-nova | <3:25.1.0-0ubuntu1 | 3:25.1.0-0ubuntu1 |
| Ubuntu | =22.04 | |
| All of | ||
| ubuntu/nova-common | <2:21.2.4-0ubuntu2.1 | 2:21.2.4-0ubuntu2.1 |
| Ubuntu | =20.04 | |
| All of | ||
| ubuntu/python3-nova | <2:21.2.4-0ubuntu2.1 | 2:21.2.4-0ubuntu2.1 |
| Ubuntu | =20.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2022-47951
- https://ubuntu.com/security/notices/USN-5835-1
- https://ubuntu.com/security/notices/USN-5835-2
- https://ubuntu.com/security/notices/USN-5835-4
- https://ubuntu.com/security/notices/USN-5835-5
- https://ubuntu.com/security/notices/USN-6882-2
- https://launchpad.net/ubuntu/+source/nova/3:26.1.0-0ubuntu1
- https://launchpad.net/ubuntu/+source/nova/3:25.1.0-0ubuntu1
- https://launchpad.net/ubuntu/+source/nova/2:21.2.4-0ubuntu2.1
- https://ubuntu.com/security/notices/USN-5835-3 (Advisory)
Frequently Asked Questions
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.
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.
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.
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.
Who discovered the USN-5835-3 vulnerability?
The USN-5835-3 vulnerability was discovered by Guillaume Espanel, Pierre Libeau, Arnaud Morin, and Damien Rannou.
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