[USN-2212-1] Django vulnerabilities

Seth Arnold seth.arnold at canonical.com
Thu May 15 01:29:54 UTC 2014

Ubuntu Security Notice USN-2212-1
May 15, 2014

python-django vulnerabilities

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

- Ubuntu 14.04 LTS
- Ubuntu 13.10
- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS


Django applications could be made to expose sensitive information over
the network.

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


Stephen Stewart, Michael Nelson, Natalia Bidart and James Westby
discovered that Django improperly removed Vary and Cache-Control headers
from HTTP responses when replying to a request from an Internet Explorer
or Chrome Frame client. An attacker may use this to retrieve private data
or poison caches. This update removes workarounds for bugs in Internet
Explorer 6 and 7. (CVE-2014-1418)

Peter Kuma and Gavin Wahl discovered that Django did not correctly
validate some malformed URLs, which are accepted by some browsers. An
attacker may use this to cause unexpected redirects. An update has been
provided for 12.04 LTS, 12.10, 13.10, and 14.04 LTS; this issue remains
unfixed for 10.04 LTS as no "is_safe_url()" functionality existed in
this version.

Update instructions:

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

Ubuntu 14.04 LTS:
  python-django                   1.6.1-2ubuntu0.3

Ubuntu 13.10:
  python-django                   1.5.4-1ubuntu1.3

Ubuntu 12.10:
  python-django                   1.4.1-2ubuntu0.7

Ubuntu 12.04 LTS:
  python-django                   1.3.1-4ubuntu1.11

Ubuntu 10.04 LTS:
  python-django                   1.1.1-2ubuntu1.12

After a standard system update you need to restart Django applications to
make all the necessary changes.


Package Information:

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