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 Summary OpenStack Keystone would allow unintended access over the network. Software description keystone – OpenStack identity service Details Boris Bobrov discovered that OpenStack Keystone incorrectly handledfederation mapping when there are rules in which group-based assignmentsare not used. A remote authenticated user may receive all the rolesassigned to a project regardless of the federation mapping, contrary toexpectations. 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: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard system update will make all the necessary changes. References CVE-2017-2673 Source: USN-3448-1: OpenStack Keystone vulnerability