[USN-4381-2] Django vulnerabilities

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-4381-2
June 04, 2020

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

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

- Ubuntu 14.04 ESM

Summary:

Several security issues were fixed in Django.

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

Details:

USN-4381-1 fixed several vulnerabilities in Django. This update provides
the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

 Dan Palmer discovered that Django incorrectly validated memcached cache
 keys. A remote attacker could possibly use this issue to cause a denial of
 service and obtain sensitive information. (CVE-2020-13254)

 Jon Dufresne discovered that Django incorrectly encoded query parameters
 for the admin ForeignKeyRawIdWidget. A remote attacker could possibly use
 this issue to perform XSS attacks. (CVE-2020-13596)

Update instructions:

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

Ubuntu 14.04 ESM:
  python-django                   1.6.11-0ubuntu1.3+esm1

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

References:
  https://usn.ubuntu.com/4381-2
  https://usn.ubuntu.com/4381-1
  CVE-2020-13254, CVE-2020-13596
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