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securityvulnsSecurityvulnsSECURITYVULNS:DOC:29468
HistoryJun 17, 2013 - 12:00 a.m.

[USN-1831-1] OpenStack Nova vulnerability

2013-06-1700:00:00
vulners.com
22

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Ubuntu Security Notice USN-1831-1
May 16, 2013

nova vulnerability

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

  • Ubuntu 13.04
  • Ubuntu 12.10
  • Ubuntu 12.04 LTS

Summary:

Nova could be made to crash the system if instances used a specially
crafted image.

Software Description:

  • nova: OpenStack Compute cloud infrastructure

Details:

Loganathan Parthipan discovered that Nova did not verify the size of QCOW2
instance storage. An authenticated attacker could exploit this to cause a
denial of service by creating an image with a large virtual size with
little data, then filling the virtual disk.

Update instructions:

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

Ubuntu 13.04:
python-nova 1:2013.1-0ubuntu2.1

Ubuntu 12.10:
python-nova 2012.2.3-0ubuntu2.1

Ubuntu 12.04 LTS:
python-nova
2012.1.3+stable-20130423-e52e6912-0ubuntu1.1

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

References:
http://www.ubuntu.com/usn/usn-1831-1
CVE-2013-2096

Package Information:
https://launchpad.net/ubuntu/+source/nova/1:2013.1-0ubuntu2.1
https://launchpad.net/ubuntu/+source/nova/2012.2.3-0ubuntu2.1

https://launchpad.net/ubuntu/+source/nova/2012.1.3+stable-20130423-e52e6912-0ubuntu1.1

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