Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2023.0589
USN-5835-3: Nova vulnerability
1 February 2023
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Nova
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
CVE Names: CVE-2022-47951
Original Bulletin:
https://ubuntu.com/security/notices/USN-5835-3
Comment: CVSS (Max): None available when published
- --------------------------BEGIN INCLUDED TEXT--------------------
USN-5835-3: Nova vulnerability
31 January 2023
Nova could be made to expose sensitive information.
Reduce your security exposure
Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and
Universe repositories, and it is free for up to five machines.
Learn more about Ubuntu Pro
Releases
o Ubuntu 22.10
o Ubuntu 22.04 LTS
o Ubuntu 20.04 LTS
Packages
o nova - OpenStack Compute cloud infrastructure
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.
Reduce your security exposure
Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and
Universe repositories, and it is free for up to five machines.
Learn more about Ubuntu Pro
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 22.10
o nova-common - 3:26.1.0-0ubuntu1
o python3-nova - 3:26.1.0-0ubuntu1
Ubuntu 22.04
o nova-common - 3:25.1.0-0ubuntu1
o python3-nova - 3:25.1.0-0ubuntu1
Ubuntu 20.04
o nova-common - 2:21.2.4-0ubuntu2.1
o python3-nova - 2:21.2.4-0ubuntu2.1
In general, a standard system update will make all the necessary changes.
References
o CVE-2022-47951
Related notices
o USN-5835-1 : cinder-scheduler, cinder-backup, cinder-common, cinder-api,
cinder-volume, cinder, python3-cinder
o USN-5835-2 : glance-common, python-glance-doc, glance, python3-glance,
glance-api
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
https://www.auscert.org.au/bulletins/
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: https://auscert.org.au/gpg-key/
iQIVAwUBY9m8nMkNZI30y1K9AQjO1w/8CCWKEzr6kTc7do8MSHJxD51zSlQLH9Xe
5fh6N4EIVE9lPDjndpaeR3BK98Mp5PogCBJrSG3G65qXEKIR0l/VHKJHPpZwA3dp
cgKQn+AlslqG/9n1/UDcQTyOE1Sb94RyeW3+EBpv0cW3+S3zJNEAJfwMBW9FLOwb
9rtG4sf1gzN8XGoM+R9xwHkFUGO3mK2AJipzsOByejd3w5146cIk1en3PbtgCMZh
DbIduGpDp+wep7QLjtuF1NVzr8vZDgi9n2+TPnOWOJpf1+3UvxllKwDTOM74c2zH
QYsIR6o+pQ2fBufm/Tp9hR4CKNtNnPRHEKog6m1AsbhAIzLoYmfBzlW1dHCui4A6
mBT/yh0RxKE2nzvNmD1ixjI2EFc4/YIiGaO80FIvVU02SR5O52Y9LA1/rc0ttWse
7f2IWk4lzW+hjeM0ydQ05eE3q8Hx8oz8LkQfKEKfm3wknScz7TMrthNKQkjd5xdN
kp8D6noHjymAWr14iCKtZlTzBpKfjm+eZ4Kxy1GfSo/dkh6KVSSSEjb42n2vo48J
E/imCNm1elEmijNYCiomK5t/FnmeiCpyPsIc2tuHbSfJ/JqqlbL3DdikFSNazwf5
qyjrUlfglIB3wm6OHKbaLnnn6bYQw5PeAhfi726bBHXbXkBK0M8efBSAVbFdpqiX
18dc8IV142s=
=tQRR
-----END PGP SIGNATURE-----