[USN-1552-1] OpenStack Keystone vulnerabilities
sbeattie at ubuntu.com
Mon Sep 3 17:21:18 UTC 2012
Ubuntu Security Notice USN-1552-1
September 03, 2012
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
Two security issues were fixed in OpenStack Keystone.
- keystone: OpenStack identity service
Dolph Mathews discovered that OpenStack Keystone did not properly
restrict to administrative users the ability to update users'
tenants. A remote attacker that can reach the administrative API can
use this to add any user to any tenant. (CVE-2012-3542)
Derek Higgins discovered that OpenStack Keystone did not properly
implement token expiration. A remote attacker could use this to
continue to access an account that has been disabled or has a changed
The problem can be corrected by updating your system to the following
Ubuntu 12.04 LTS:
In general, a standard system update will make all the necessary changes.
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