Ubuntu alert USN-1734-1 (nova)

From:
    	     
 
Jamie Strandboge <jamie@canonical.com> 
To:
    	     
 
ubuntu-security-announce@lists.ubuntu.com 
Subject:
    	     
 
[USN-1734-1] OpenStack Nova vulnerability 
Date:
    	     
 
Thu, 21 Feb 2013 14:26:32 -0600
Message-ID:
    	     
 
<512682F8.9040101@canonical.com>
Archive-link:
    	     
 
Article, Thread
              

==========================================================================
Ubuntu Security Notice USN-1734-1
February 21, 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 could be made to crash if it received specially crafted input.

Software Description:
- nova: OpenStack Compute cloud infrastructure

Details:

Joshua Harlow discovered that Nova would allow XML entity processing. A
remote unauthenticated attacker could exploit this using the Nova API to
cause a denial of service via resource exhaustion. (CVE-2013-1664)

Update instructions:

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

Ubuntu 12.10:
  python-nova
2012.2.1+stable-20121212-a99a802e-0ubuntu1.2

Ubuntu 12.04 LTS:
  python-nova
2012.1.3+stable-20120827-4d2a4afe-0ubuntu1.2

Ubuntu 11.10:
  python-nova                     2011.3-0ubuntu6.12

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

References:
  http://www.ubuntu.com/usn/usn-1734-1
  CVE-2013-1664

Package Information:

https://launchpad.net/ubuntu/+source/nova/2012.2.1+stable...

https://launchpad.net/ubuntu/+source/nova/2012.1.3+stable...
  https://launchpad.net/ubuntu/+source/nova/2011.3-0ubuntu6.12




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