Two security issues were fixed in OpenStack Keystone.
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)
3 September 2012
A security issue affects these releases of Ubuntu and its derivatives:
Two security issues were fixed in OpenStack Keystone.
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 password. (CVE-2012-3426)
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