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Sicherheit: Denial of Service in python-django-horizon
Aktuelle Meldungen Distributionen
Name: Denial of Service in python-django-horizon
ID: RHSA-2015:0845-01
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux OpenStack Platform
Datum: Do, 16. April 2015, 23:16
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8124
https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux_OpenStack_Platform/5/html/Release_Notes/index.html

Originalnachricht

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

Synopsis: Moderate: python-django-horizon and
python-django-openstack-auth update
Advisory ID: RHSA-2015:0845-01
Product: Red Hat Enterprise Linux OpenStack Platform
Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-0845.html
Issue date: 2015-04-16
CVE Names: CVE-2014-8124
=====================================================================

1. Summary:

Updated python-django-horizon and python-django-openstack-auth packages
that fix one security issue and multiple bugs are now available for Red Hat
Enterprise Linux OpenStack Platform 5.0 for Red Hat Enterprise Linux 6.

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

3. Description:

OpenStack Dashboard (horizon) provides administrators and users a graphical
interface to access, provision and automate cloud-based resources.
The dashboard allows cloud administrators to get an overall view of the
size and state of the cloud and it provides end-users a self-service portal
to provision their own resources within the limits set by administrators.

A denial of service flaw was found in the OpenStack Dashboard (horizon)
when using the db or memcached session engine. An attacker could make
repeated requests to the login page, which would result in a large number
of unwanted backend session entries, possibly leading to a denial of
service. (CVE-2014-8124)

Red Hat would like to thank the OpenStack Project for reporting this issue.
Upstream acknowledges Eric Peterson from Time Warner Cable as the original
reporter.

The python-django-horizon packages have been upgraded to upstream version
2014.1.4, which provides a number of bug fixes over the previous version,
including:

* Default 'target={}' value leaks into subsequent
'policy.check()' calls.
* Neutron subnet create tooltip has invalid HTML tags.
* Memory reported improperly in admin dashboard.
* The container dashboard does not handle unicode URL correctly.
(BZ#1203281)

This update also fixes the following bugs:

* The option 'OPENSTACK_SSL_NO_VERIFY' is used to enable or disable
checks
for SSL certificate validity. Prior to this update, swift clients ignored
this check. As a result, you could not use horizon with swift, and swift
was accessed via a self signed certificate. With this update, the option is
now handled properly and Horizon is able to use this endpoint while the
'OPENSTACK_SSL_NO_VERIFY' option is enabled. (BZ#1192517)

* Previously, horizon.log was not truncated automatically, resulting in
very large log files. With this update, files are now trimmed by logrotate,
fixing this issue. (BZ#1112621)

All OpenStack Dashboard users are advised to upgrade to these updated
packages, which correct these issues.

4. Solution:

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

Red Hat Enterprise Linux OpenStack Platform 5 runs on Red Hat Enterprise
Linux 6.6.

The Red Hat Enterprise Linux OpenStack Platform 5 Release Notes (see
References section) contain the following:
* An explanation of the way in which the provided components interact to
form a working cloud computing environment.
* Technology Previews, Recommended Practices, and Known Issues.
* The channels required for Red Hat Enterprise Linux OpenStack Platform 5,
including which channels need to be enabled and disabled.

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

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

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

1169637 - CVE-2014-8124 python-django-horizon: denial of service via login page
requests
1203231 - Rebase python-django-horizon to 2014.1.4

6. Package List:

Red Hat Enterprise Linux OpenStack Platform 5.0 for RHEL 6:

Source:
python-django-horizon-2014.1.4-1.el6ost.src.rpm
python-django-openstack-auth-1.1.5-4.el6ost.src.rpm

noarch:
openstack-dashboard-2014.1.4-1.el6ost.noarch.rpm
openstack-dashboard-theme-2014.1.4-1.el6ost.noarch.rpm
python-django-horizon-2014.1.4-1.el6ost.noarch.rpm
python-django-horizon-doc-2014.1.4-1.el6ost.noarch.rpm
python-django-openstack-auth-1.1.5-4.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/

7. References:

https://access.redhat.com/security/cve/CVE-2014-8124
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux_OpenStack_Platform/5/html/Release_Notes/index.html

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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