USN-3448-1: OpenStack Keystone vulnerability

Ubuntu Security Notice USN-3448-1

11th October, 2017

keystone vulnerability

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

  • Ubuntu 16.04 LTS


OpenStack Keystone would allow unintended access over the network.

Software description

  • keystone - OpenStack identity service


Boris Bobrov discovered that OpenStack Keystone incorrectly handled
federation mapping when there are rules in which group-based assignments
are not used. A remote authenticated user may receive all the roles
assigned to a project regardless of the federation mapping, contrary to

Update instructions

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

Ubuntu 16.04 LTS:
keystone 2:9.3.0-0ubuntu3.1
python-keystone 2:9.3.0-0ubuntu3.1

To update your system, please follow these instructions:

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