[USN-4224-1] Django vulnerability

[Steve Beattie]

==========================================================================
Ubuntu Security Notice USN-4224-1
December 19, 2019

python-django vulnerability
==========================================================================

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

- Ubuntu 19.10
- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Django accounts could be hijacked through password reset requests.

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

Details:

Simon Charette discovered that the password reset functionality in
Django used a Unicode case insensitive query to retrieve accounts
associated with an email address. An attacker could possibly use this
to obtain password reset tokens and hijack accounts.

Update instructions:

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

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

Ubuntu 19.04:
  python-django                   1:1.11.20-1ubuntu0.3
  python3-django                  1:1.11.20-1ubuntu0.3

Ubuntu 18.04 LTS:
  python-django                   1:1.11.11-1ubuntu1.6
  python3-django                  1:1.11.11-1ubuntu1.6

Ubuntu 16.04 LTS:
  python-django                   1.8.7-1ubuntu5.11
  python3-django                  1.8.7-1ubuntu5.11

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

References:
  https://usn.ubuntu.com/4224-1
  CVE-2019-19844

Package Information:
  https://launchpad.net/ubuntu/+source/python-django/1:1.11.22-1ubuntu1.1
  https://launchpad.net/ubuntu/+source/python-django/1:1.11.20-1ubuntu0.3
  https://launchpad.net/ubuntu/+source/python-django/1:1.11.11-1ubuntu1.6
  https://launchpad.net/ubuntu/+source/python-django/1.8.7-1ubuntu5.11

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