USN-1438-1: Nova vulnerability
Ubuntu Security Notice USN-1438-1
3rd May, 2012
nova vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
- Ubuntu 11.10
Summary
Nova could be made to crash the system under certain conditions.
Software description
- nova - OpenStack Compute cloud infrastructure
Details
Dan Prince discovered that Nova did not enforce quotas for security groups
and rules added to security groups. An authenticated user could exploit
this to cause a denial of service.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 12.04 LTS:
- python-nova 2012.1-0ubuntu2.1
- Ubuntu 11.10:
- python-nova 2011.3-0ubuntu6.6
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.