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Ubuntu Security Notice USN-4381-1
June 03, 2020

python-django vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in Django.

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

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 20.04 LTS:
  python3-django                  2:2.2.12-1ubuntu0.1

Ubuntu 19.10:
  python-django                   1:1.11.22-1ubuntu1.4
  python3-django                  1:1.11.22-1ubuntu1.4

Ubuntu 18.04 LTS:
  python-django                   1:1.11.11-1ubuntu1.9
  python3-django                  1:1.11.11-1ubuntu1.9

Ubuntu 16.04 LTS:
  python-django                   1.8.7-1ubuntu5.13
  python3-django                  1.8.7-1ubuntu5.13

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

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

Package Information:
  https://launchpad.net/ubuntu/+source/python-django/2:2.2.12-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/python-django/1:1.11.22-1ubuntu1.4
  https://launchpad.net/ubuntu/+source/python-django/1:1.11.11-1ubuntu1.9
  https://launchpad.net/ubuntu/+source/python-django/1.8.7-1ubuntu5.13