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AUSCERT External Security Bulletin Redistribution
Moderate: openstack-keystone security and bug fix update
13 February 2013
AusCERT Security Bulletin Summary
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 6
Impact/Access: Denial of Service -- Remote/Unauthenticated
CVE Names: CVE-2013-0247
Comment: This advisory references vulnerabilities in products which run on
platforms other than Red Hat. It is recommended that administrators
running OpenStack-keystone check for an updated version of the
software for their operating system.
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Red Hat Security Advisory
Synopsis: Moderate: openstack-keystone security and bug fix update
Advisory ID: RHSA-2013:0253-01
Product: Red Hat OpenStack
Advisory URL: https://rhn.redhat.com/errata/RHSA-2013-0253.html
Issue date: 2013-02-12
CVE Names: CVE-2013-0247
Updated openstack-keystone packages that fix one security issue and two
bugs are now available for Red Hat OpenStack Folsom.
The Red Hat Security Response Team has rated this update as having moderate
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.
2. Relevant releases/architectures:
OpenStack Folsom - noarch
The openstack-keystone packages provide Keystone, a Python implementation
of the OpenStack identity service API, which provides Identity, Token,
Catalog, and Policy services.
It was found that an excessive amount of information was logged when
invalid tokens were requested, resulting in large log files. An attacker
could use this flaw to consume an excessive amount of disk space by
requesting a large number of invalid tokens. (CVE-2013-0247)
The CVE-2013-0247 issue was discovered by Dan Prince of Red Hat.
This update also fixes two bugs that could have caused 'keystone' commands
(such as 'keystone endpoint-delete' and 'keystone service-get') to fail
with a 'No handlers could be found for logger "keystoneclient.v2_0.client"'
and 'Authorization Failed' error. (BZ#857290, BZ#888328)
All users of openstack-keystone are advised to upgrade to these updated
packages, which correct these issues. After installing the updated
packages, the Keystone service (openstack-keystone) will be restarted
Before applying this update, make sure all previously-released errata
relevant to your system have been applied.
This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
5. Bugs fixed (http://bugzilla.redhat.com/):
857290 - Keystone catalog fails if not all URLs are defined in an endpoint
888328 - Unable to delete service endpoint in keystone
906171 - CVE-2013-0247 OpenStack Keystone: denial of service through invalid
6. Package List:
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
The Red Hat security contact is <email@example.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2013 Red Hat, Inc.
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