Ubuntu alert USN-1305-1 (nova)

From:
    	     
 
Jamie Strandboge <jamie@canonical.com> 
To:
    	     
 
ubuntu-security-announce@lists.ubuntu.com 
Subject:
    	     
 
[USN-1305-1] Nova vulnerability 
Date:
    	     
 
Tue, 13 Dec 2011 11:01:05 -0600
Message-ID:
    	     
 
<1323795665.21032.115.camel@localhost>

==========================================================================
Ubuntu Security Notice USN-1305-1
December 13, 2011

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

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

- Ubuntu 11.10

Summary:

Nova could be made to overwrite files.

Software Description:
- nova: OpenStack Compute cloud infrastructure

Details:

David Black discovered that Nova did not properly perform input validation
during image registration. An attacker could exploit this by registering a
crafted image using the EC2 API or S3/RegisterImage method and overwrite
files as the nova user.

Update instructions:

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

Ubuntu 11.10:
  python-nova                     2011.3-0ubuntu6.3

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

References:
  http://www.ubuntu.com/usn/usn-1305-1
  CVE-2011-4596

Package Information:
  https://launchpad.net/ubuntu/+source/nova/2011.3-0ubuntu6.3


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