USN-3448-1: OpenStack Keystone vulnerability

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 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
expectations.

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

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