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Sicherheit: Mangelnde Prüfung von Zertifikaten in OpenStack
Aktuelle Meldungen Distributionen
Name: Mangelnde Prüfung von Zertifikaten in OpenStack
ID: RHSA-2015:1677-01
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux OpenStack Platform
Datum: Di, 25. August 2015, 06:36
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 and python-keystonemiddlware
security update
Advisory ID: RHSA-2015:1677-01
Product: Red Hat Enterprise Linux OpenStack Platform
Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-1677.html
Issue date: 2015-08-24
CVE Names: CVE-2015-1852
=====================================================================

1. Summary:

Updated python-keystoneclient and python-keystonemiddleware packages that
fix one security issue are now available for Red Hat Enterprise Linux
OpenStack Platform 6.0 for Red Hat Enterprise Linux 7.

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 6.0 for RHEL 7 - noarch

3. Description:

Python-keystonemiddleware (formely python-keystoneclient) is a client
library and a command line utility for interacting with the OpenStack
Identity API.

Red Hat Enterprise OpenStack Platform 6.0 contains and uses both the
python-keystonemiddleware and python-keystoneclient versions of this
package.

It was discovered that some items in the the S3Token configuration as used
by python-keystonemiddleware and python-keystoneclient were incorrectly
evaluated as strings, an issue similar to CVE-2014-7144. This would result
in a setting for 'insecure=false' to evaluate as true and leave TLS
connections open to MITM. (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.

Note: "insecure" defaults to false, so setups that do not specifically
define "insecure=false" are unaffected.

All python-keystoneclient users are advised to upgrade to these updated
packages, which correct these issues.

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/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 6.0 for RHEL 7:

Source:
python-keystoneclient-0.11.1-2.el7ost.src.rpm
python-keystonemiddleware-1.3.2-1.el7ost.src.rpm

noarch:
python-keystoneclient-0.11.1-2.el7ost.noarch.rpm
python-keystoneclient-doc-0.11.1-2.el7ost.noarch.rpm
python-keystonemiddleware-1.3.2-1.el7ost.noarch.rpm
python-keystonemiddleware-doc-1.3.2-1.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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