-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.4720
                     USN-4224-1: Django vulnerability
                             19 December 2019

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           python-django
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Unauthorised Access -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-19844  

Reference:         ESB-2019.4718

Original Bulletin: 
   https://usn.ubuntu.com/4224-1/

- --------------------------BEGIN INCLUDED TEXT--------------------

USN-4224-1: Django vulnerability
19 December 2019

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

  o Ubuntu 19.10
  o Ubuntu 19.04
  o Ubuntu 18.04 LTS
  o Ubuntu 16.04 LTS

Summary

Django accounts could be hijacked through password reset requests.

Software Description

  o 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

To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .

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

References

  o CVE-2019-19844

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        https://www.auscert.org.au/bulletins/

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
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=jloz
-----END PGP SIGNATURE-----