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Red Hat Security Advisory 2014-0442-01

Red Hat Security Advisory 2014-0442-01
Posted Apr 29, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-0442-01 - Python-keystoneclient is a client library and a command line utility for interacting with the OpenStack Identity API. The OpenStack Identity auth_token middleware component handles the authentication of tokens with keystone. When using the auth_token middleware with the memcached token cache enabled, a token for a different identity could be returned. An authenticated user could use this flaw to escalate their privileges by making repeated requests that could eventually allow the user to acquire the administrator's identity. Note that only OpenStack Identity setups using auth_token with memcached were affected.

tags | advisory, python
systems | linux, redhat
advisories | CVE-2014-0105
MD5 | 8a92db657a8bcc87dfa39c2aeee560e2

Red Hat Security Advisory 2014-0442-01

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=====================================================================
Red Hat Security Advisory

Synopsis: Important: python-keystoneclient security update
Advisory ID: RHSA-2014:0442-01
Product: Red Hat Enterprise Linux OpenStack Platform
Advisory URL: https://rhn.redhat.com/errata/RHSA-2014-0442.html
Issue date: 2014-04-28
CVE Names: CVE-2014-0105
=====================================================================

1. Summary:

Updated python-keystoneclient packages that fix one security issue are now
available for Red Hat Enterprise Linux OpenStack Platform 3.0.

The Red Hat Security Response Team has rated this update as having
Important 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:

Red Hat Enterprise Linux OpenStack Platform 3.0 - noarch

3. Description:

Python-keystoneclient is a client library and a command line utility for
interacting with the OpenStack Identity API. The OpenStack Identity
auth_token middleware component handles the authentication of tokens
with keystone.

When using the auth_token middleware with the memcached token cache
enabled, a token for a different identity could be returned. An
authenticated user could use this flaw to escalate their privileges by
making repeated requests that could eventually allow the user to acquire
the administrator's identity. Note that only OpenStack Identity setups
using auth_token with memcached were affected. (CVE-2014-0105)

Red Hat would like to thank the OpenStack project for reporting this issue.
Upstream acknowledges Kieran Spear from the University of Melbourne as the
original reporter.

All python-keystoneclient users are advised to upgrade to these updated
packages, which correct this issue. After installing this update, all
OpenStack services using auth_token must be restarted for this update to
take effect.

4. Solution:

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
https://access.redhat.com/site/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1082165 - CVE-2014-0105 python-keystoneclient: Potential context confusion in Keystone middleware

6. Package List:

Red Hat Enterprise Linux OpenStack Platform 3.0:

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/RHOS/SRPMS/python-keystoneclient-0.2.3-8.el6ost.src.rpm

noarch:
python-keystoneclient-0.2.3-8.el6ost.noarch.rpm
python-keystoneclient-doc-0.2.3-8.el6ost.noarch.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2014-0105.html
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2014 Red Hat, Inc.
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