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Sicherheit: Mangelnde Prüfung von Zertifikaten in OpenStack
Aktuelle Meldungen Distributionen
Name: Mangelnde Prüfung von Zertifikaten in OpenStack
ID: RHSA-2015:1685-01
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux OpenStack Platform
Datum: Di, 25. August 2015, 14:44
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1852
Applikationen: OpenStack

Originalnachricht

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

Synopsis: Moderate: python-keystoneclient security update
Advisory ID: RHSA-2015:1685-01
Product: Red Hat Enterprise Linux OpenStack Platform
Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-1685.html
Issue date: 2015-08-25
CVE Names: CVE-2015-1852
=====================================================================

1. Summary:

Updated python-keystoneclient packages that fix one security issue are
now available for Red Hat Enterprise Linux OpenStack Platform 5.0.

Red Hat Product Security 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:

Red Hat Enterprise Linux OpenStack Platform 5.0 for RHEL 6 - noarch
Red Hat Enterprise Linux OpenStack Platform 5.0 for RHEL 7 - noarch

3. Description:

Python-keystoneclient is a client library and a command-line utility
for interacting with the OpenStack Identity API.

It was discovered that some items in the S3Token configuration as used by
python-keystoneclient were incorrectly evaluated as strings, an issue
similar to CVE-2014-7144. If the "insecure" option was set to
"false", the
option would be evaluated as true, resulting in TLS connections being
vulnerable to man-in-the-middle attacks. Note: The "insecure" option
defaults to false, so setups that do not specifically define
"insecure=false" are not affected. (CVE-2015-1852)

Red Hat would like to thank the OpenStack project for reporting this issue.
Upstream acknowledges Brant Knudson from IBM as the original reporter.

All python-keystoneclient users are advised to upgrade to these updated
packages, which contain a backported patch to correct this issue.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

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

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

1209527 - CVE-2015-1852 OpenStack keystonemiddleware/keystoneclient: S3Token
TLS cert verification option not honored

6. Package List:

Red Hat Enterprise Linux OpenStack Platform 5.0 for RHEL 6:

Source:
python-keystoneclient-0.9.0-6.el6ost.src.rpm

noarch:
python-keystoneclient-0.9.0-6.el6ost.noarch.rpm
python-keystoneclient-doc-0.9.0-6.el6ost.noarch.rpm

Red Hat Enterprise Linux OpenStack Platform 5.0 for RHEL 7:

Source:
python-keystoneclient-0.9.0-6.el7ost.src.rpm

noarch:
python-keystoneclient-0.9.0-6.el7ost.noarch.rpm
python-keystoneclient-doc-0.9.0-6.el7ost.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/

7. References:

https://access.redhat.com/security/cve/CVE-2015-1852
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2015 Red Hat, Inc.
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