Glance could be made to delete arbitrary images.
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.
8 November 2012
A security issue affects these releases of Ubuntu and its derivatives:
Glance could be made to delete arbitrary images.
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.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.