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Ubuntu: Security update for Glance

Gabe Westmaas discovered that Glance did not always properly enforce access controls when deleting images. An authenticated user could delete arbitrary images by using the v1 API under certain circumstances.

Updated packages are available from security.ubuntu.com.

==========================================================================
Ubuntu Security Notice USN-1626-1
November 08, 2012

glance vulnerability
==========================================================================

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

- Ubuntu 12.10
- Ubuntu 12.04 LTS

Summary:

Glance could be made to delete arbitrary images.

Software Description:
- glance: OpenStack Image Registry and Delivery Service

Details:

Gabe Westmaas discovered that Glance did not always properly enforce access
controls when deleting images. An authenticated user could delete arbitrary
images by using the v1 API under certain circumstances.

Update instructions:

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

Ubuntu 12.10:
 python-glance                   2012.2-0ubuntu2.2

Ubuntu 12.04 LTS:
 python-glance                   2012.1.3+stable~20120821-120fcf-0ubuntu1.2

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

References:
 http://www.ubuntu.com/usn/usn-1626-1
 CVE-2012-4573

Package Information:
 https://launchpad.net/ubuntu/+source/glance/2012.2-0ubuntu2.2

https://launchpad.net/ubuntu/+source/glance/2012.1.3+stable~20120821-120fcf-0ubuntu1.2
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