Keystone would allow unintended access over the network.
Sam Stoelinga discovered that Keystone would not immediately invalidate tokens when deleting users via the v2 API. A deleted user would be able to continue to use resources until the token lifetime expired.
16 May 2013
A security issue affects these releases of Ubuntu and its derivatives:
Keystone would allow unintended access over the network.
Sam Stoelinga discovered that Keystone would not immediately invalidate tokens when deleting users via the v2 API. A deleted user would be able to continue to use resources until the token lifetime expired.
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.
Vulmon