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CVE-2015-7546

Published: 3 February 2016

The identity service in OpenStack Identity (Keystone) before 2015.1.3 (Kilo) and 8.0.x before 8.0.2 (Liberty) and keystonemiddleware (formerly python-keystoneclient) before 1.5.4 (Kilo) and Liberty before 2.3.3 does not properly invalidate authorization tokens when using the PKI or PKIZ token providers, which allows remote authenticated users to bypass intended access restrictions and gain access to cloud resources by manipulating byte fields within a revoked token.

Notes

AuthorNote
mdeslaur
we will not be fixing this in Ubuntu 14.04 LTS. Users are
encouraged to migrate to a different token provider as described
in the upstream advisory.
Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
keystone
Launchpad, Ubuntu, Debian
precise Does not exist
(precise was needed)
trusty Does not exist
(trusty was ignored)
upstream Needs triage

vivid Ignored
(reached end-of-life)
wily Not vulnerable
(2:8.1.0-0ubuntu1)
xenial Not vulnerable
(2:9.0.0-0ubuntu1)
yakkety Not vulnerable
(2:9.0.0-0ubuntu1)
zesty Not vulnerable
(2:9.0.0-0ubuntu1)
Patches:
upstream: https://review.openstack.org/#/c/258141/

python-keystonemiddleware
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

upstream Needs triage

vivid Ignored
(reached end-of-life)
wily Ignored
(reached end-of-life)
xenial Not vulnerable
(4.4.0-3)
yakkety Not vulnerable
(4.4.0-3)
zesty Not vulnerable
(4.4.0-3)
Patches:

upstream: https://review.openstack.org/#/c/258143/