============================================================================
Ubuntu Security Notice USN-2469-1
January 13, 2015

python-django vulnerabilities
============================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS

Summary:

Several security issues were fixed in Django.

Software Description:
- python-django: High-level Python web development framework

Details:

Jedediah Smith discovered that Django incorrectly handled underscores in
WSGI headers. A remote attacker could possibly use this issue to spoof
headers in certain environments. (CVE-2015-0219)

Mikko Ohtamaa discovered that Django incorrectly handled user-supplied
redirect URLs. A remote attacker could possibly use this issue to perform a
cross-site scripting attack. (CVE-2015-0220)

Alex Gaynor discovered that Django incorrectly handled reading files in
django.views.static.serve(). A remote attacker could possibly use this
issue to cause Django to consume resources, resulting in a denial of
service. (CVE-2015-0221)

Keryn Knight discovered that Django incorrectly handled forms with
ModelMultipleChoiceField. A remote attacker could possibly use this issue
to cause a large number of SQL queries, resulting in a database denial of
service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 14.10.
(CVE-2015-0222)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.10:
  python-django                   1.6.6-1ubuntu2.1
  python3-django                  1.6.6-1ubuntu2.1

Ubuntu 14.04 LTS:
  python-django                   1.6.1-2ubuntu0.6

Ubuntu 12.04 LTS:
  python-django                   1.3.1-4ubuntu1.13

Ubuntu 10.04 LTS:
  python-django                   1.1.1-2ubuntu1.14

In general, a standard system update will make all the necessary changes.

References:
  https://www.ubuntu.com/usn/usn-2469-1
  CVE-2015-0219, CVE-2015-0220, CVE-2015-0221, CVE-2015-0222

Package Information:
  https://launchpad.net/ubuntu/+source/python-django/1.6.6-1ubuntu2.1
  https://launchpad.net/ubuntu/+source/python-django/1.6.1-2ubuntu0.6
  https://launchpad.net/ubuntu/+source/python-django/1.3.1-4ubuntu1.13
  https://launchpad.net/ubuntu/+source/python-django/1.1.1-2ubuntu1.14