USN-1326-1: Nova vulnerability

Ubuntu Security Notice USN-1326-1

11th 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 version:

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

CVE-2012-0030