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Ubuntu Security Notice USN-5373-2
April 11, 2022

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

- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM

Summary:

Several security issues were fixed in Django.

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

Details:

USN-5373-1 fixed several vulnerabilities in Django. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

 It was discovered that Django incorrectly handled certain certain column
 aliases in the QuerySet.annotate(), aggregate(), and extra() methods. A
 remote attacker could possibly use this issue to perform an SQL injection
 attack. (CVE-2022-28346)

 It was discovered that the Django URLValidator function incorrectly handled
 newlines and tabs. A remote attacker could possibly use this issue to
 perform a header injection attack. (CVE-2021-32052)

Update instructions:

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

Ubuntu 16.04 ESM:
  python-django                   1.8.7-1ubuntu5.15+esm5
  python3-django                  1.8.7-1ubuntu5.15+esm5

Ubuntu 14.04 ESM:
  python-django                   1.6.11-0ubuntu1.3+esm5

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

References:
  https://ubuntu.com/security/notices/USN-5373-2
  https://ubuntu.com/security/notices/USN-5373-1
  CVE-2021-32052, CVE-2022-28346