USN-1967-1: Django vulnerabilities

Ubuntu Security Notice USN-1967-1

24th September, 2013

python-django vulnerabilities

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

  • Ubuntu 13.04
  • Ubuntu 12.10
  • Ubuntu 12.04 LTS
  • Ubuntu 10.04 LTS


Several security issues were fixed in Django.

Software description

  • python-django - High-level Python web development framework


It was discovered that Django incorrectly handled large passwords. A remote
attacker could use this issue to consume resources, resulting in a denial
of service. (CVE-2013-1443)

It was discovered that Django incorrectly handled ssi templates. An
attacker could use this issue to read arbitrary files. (CVE-2013-4315)

It was discovered that the Django is_safe_url utility function did not
restrict redirects to certain schemes. An attacker could possibly use this
issue to perform a cross-site scripting attack.

Update instructions

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

Ubuntu 13.04:
python-django 1.4.5-1ubuntu0.1
Ubuntu 12.10:
python-django 1.4.1-2ubuntu0.4
Ubuntu 12.04 LTS:
python-django 1.3.1-4ubuntu1.8
Ubuntu 10.04 LTS:
python-django 1.1.1-2ubuntu1.9

To update your system, please follow these instructions:

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


CVE-2013-1443, CVE-2013-4315