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Category:   Application (Generic)  >   Django Vendors:
(Red Hat Issues Fix) Django Date Template Filter Bug Lets Remote Users Obtain Potentially Sensitive Application Settings Information
SecurityTracker Alert ID:  1034992
SecurityTracker URL:
CVE Reference:   CVE-2015-8213   (Links to External Site)
Date:  Feb 10 2016
Impact:   Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Django. A remote user can obtain potentially sensitive information on the target system.

The django.utils.formats.get_format() date template filter does not properly process user-supplied date values. A remote user can supply a specially crafted value to a target that passes the user-supplied value to the date filter to obtain arbitrary secret values from the application's settings.

Ryan Butterfield reported this vulnerability.

Impact:   A remote user can obtain potentially sensitive application settings data on the target system.
Solution:   Red Hat has issued a fix.

The Red Hat advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  6

Message History:   This archive entry is a follow-up to the message listed below.
Nov 24 2015 Django Date Template Filter Bug Lets Remote Users Obtain Potentially Sensitive Application Settings Information

 Source Message Contents

Subject:  [RHSA-2016:0158-01] Moderate: python-django security update

Hash: SHA1

                   Red Hat Security Advisory

Synopsis:          Moderate: python-django security update
Advisory ID:       RHSA-2016:0158-01
Product:           Red Hat Enterprise Linux OpenStack Platform
Advisory URL:
Issue date:        2016-02-10
CVE Names:         CVE-2015-8213 

1. Summary:

Updated python-django packages that fix one security issue 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. Common Vulnerability Scoring System (CVSS) base scores, which give
detailed severity ratings, are available for each vulnerability from the
CVE links in the References section.

2. Relevant releases/architectures:

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

3. Description:

Django is a high-level Python Web framework that encourages rapid
development and a clean, pragmatic design. It focuses on automating as much
as possible and adhering to the DRY (Don't Repeat Yourself) principle.

An information-exposure flaw was found in the Django date filter. If an
application allowed users to provide non-validated date formats, a
malicious end user could expose application-settings data by providing
the relevant applications-settings key instead of a valid date format. 

Red Hat would like to thank the Django project for reporting this issue.
Upstream acknowledges Ryan Butterfield as the original reporter.

All python-django users are advised to upgrade to these updated packages,
which contain backported patches 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:

5. Bugs fixed (

1283553 - CVE-2015-8213 python-django: Information leak through date template filter

6. Package List:

Red Hat Enterprise Linux OpenStack Platform 5.0 for RHEL 6:



These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from

7. References:

8. Contact:

The Red Hat security contact is <>. More contact
details at

Copyright 2016 Red Hat, Inc.
Version: GnuPG v1


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