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Red Hat Security Advisory
Synopsis: Low: python-django-horizon security update
Advisory ID: RHSA-2012:1380-01
Product: Red Hat OpenStack
Advisory URL: https://rhn.redhat.com/errata/RHSA-2012-1380.html
Issue date: 2012-10-16
CVE Names: CVE-2012-3540
Updated python-django-horizon packages that fix one security issue are now
available for Red Hat OpenStack Essex.
The Red Hat Security Response Team has rated this update as having low
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:
RHOS Essex Release - noarch
Horizon is the OpenStack Dashboard (http://www.openstack.org),
interface for managing OpenStack services.
An open redirect flaw was found in the way Horizon handled authentication.
A remote attacker able to trick a victim into opening the Horizon login
page using a specially-crafted link could redirect the victim to an
arbitrary web page, and conduct phishing attacks, after the victim
successfully logs in. (CVE-2012-3540)
Red Hat would like to thank Thomas Biege of SUSE for reporting this issue.
All users of Horizon are advised to upgrade to these updated packages,
which correct this issue. After installing the updated packages, the httpd
daemon must be restarted ("service httpd restart") for the update to take
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/):
852246 - CVE-2012-3540 OpenStack-Horizon: Open redirect through 'next' parameter
6. Package List:
RHOS Essex Release:
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 2012 Red Hat, Inc.
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