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==========================================================================
Ubuntu Security Notice USN-1709-1
January 29, 2013

nova vulnerability
==========================================================================

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





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