Ubuntu Security Notice USN-1326-1
11th January, 2012
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 11.10
Nova would allow unintended access to resources over the network.
- nova - OpenStack Compute cloud infrastructure
Nachi Ueno, Rohit Karajgi, and Venkatesan Ravikumar discovered that when
Nova is configured to use the OpenStack API, it would not correctly enforce
access controls on certain incoming requests. A remote authenticated
attacker could exploit this to change resources of arbitrary tenants.
The problem can be corrected by updating your system to the following package version:
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.