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Ubuntu Security Notice USN-1438-1

Ubuntu Security Notice USN-1438-1
Posted May 3, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1438-1 - 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.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2012-2101
SHA-256 | 9d1d647e0c275ca0af3a4eff2a0fe1345781c53dd796cd1bca2a97f7cb8cc3e0

Ubuntu Security Notice USN-1438-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-1438-1
May 03, 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 versions:

Ubuntu 12.04 LTS:
python-nova 2012.1-0ubuntu2.1

Ubuntu 11.10:
python-nova 2011.3-0ubuntu6.6

In general, a standard system update will make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-1438-1
CVE-2012-2101

Package Information:
https://launchpad.net/ubuntu/+source/nova/2012.1-0ubuntu2.1
https://launchpad.net/ubuntu/+source/nova/2011.3-0ubuntu6.6


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