Ubuntu Security Notice 1709-1 - Phil Day discovered that nova-volume did not validate access to volumes. An authenticated attacker could exploit this to bypass intended access controls and boot from arbitrary volumes.
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Ubuntu Security Notice USN-1709-1
January 29, 2013
nova vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 11.10
Summary:
Nova volume could be made to expose volumes from other users.
Software Description:
- nova: OpenStack Compute cloud infrastructure
Details:
Phil Day discovered that nova-volume did not validate access to volumes. An
authenticated attacker could exploit this to bypass intended access
controls and boot from arbitrary volumes.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.10:
nova-volume
2012.2.1+stable-20121212-a99a802e-0ubuntu1.1
python-nova
2012.2.1+stable-20121212-a99a802e-0ubuntu1.1
Ubuntu 12.04 LTS:
nova-volume
2012.1.3+stable-20120827-4d2a4afe-0ubuntu1.1
python-nova
2012.1.3+stable-20120827-4d2a4afe-0ubuntu1.1
Ubuntu 11.10:
nova-volume 2011.3-0ubuntu6.11
python-nova 2011.3-0ubuntu6.11
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1709-1
CVE-2013-0208
Package Information:
https://launchpad.net/ubuntu/+source/nova/2012.2.1+stable-20121212-a99a802e-0ubuntu1.1
https://launchpad.net/ubuntu/+source/nova/2012.1.3+stable-20120827-4d2a4afe-0ubuntu1.1
https://launchpad.net/ubuntu/+source/nova/2011.3-0ubuntu6.11