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Ubuntu Security Notice USN-1830-1
May 16, 2013

keystone vulnerability

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

• Ubuntu 13.04
• Ubuntu 12.10
• Ubuntu 12.04 LTS

Summary:

Keystone would allow unintended access over the network.

Software Description:

• keystone: OpenStack identity service

Details:

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.

Update instructions:

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

Ubuntu 13.04:
python-keystone 1:2013.1-0ubuntu1.1

Ubuntu 12.10:
python-keystone
2012.2.3+stable-20130206-82c87e56-0ubuntu2.1

Ubuntu 12.04 LTS:
python-keystone
2012.1.3+stable-20130423-f48dd0fc-0ubuntu1.1

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

References:
http://www.ubuntu.com/usn/usn-1830-1
CVE-2013-2059

Package Information:
https://launchpad.net/ubuntu/+source/keystone/1:2013.1-0ubuntu1.1

https://launchpad.net/ubuntu/+source/keystone/2012.2.3+stable-20130206-82c87e56-0ubuntu2.1

https://launchpad.net/ubuntu/+source/keystone/2012.1.3+stable-20130423-f48dd0fc-0ubuntu1.1

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