USN-1326-1: Nova vulnerability

11 January 2012

nova vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 11.10

Summary

Nova would allow unintended access to resources over the network.

Software Description

  • nova - OpenStack Compute cloud infrastructure

Details

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.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 11.10
nova-api - 2011.3-0ubuntu6.4

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.

References