===================================================================                           CERT-Renater

                 Note d'Information No. 2021/VULN638
_____________________________________________________________________

DATE                : 07/12/2021

HARDWARE PLATFORM(S): /

OPERATING SYSTEM(S): Systems running Django versions prior to 3.2.10,
                                     3.1.14, 2.2.25.

====================================================================https://www.djangoproject.com/weblog/2021/dec/07/security-releases/
_____________________________________________________________________


Django security releases issued: 3.2.10, 3.1.14, and 2.2.25
Posted by Mariusz Felisiak on décembre 7, 2021

In accordance with our security release policy, the Django team is
issuing Django 3.2.10, Django 3.1.14, and Django 2.2.25. These release
addresses the security issue detailed below. We encourage all users of
Django to upgrade as soon as possible.

CVE-2021-44420: Potential bypass of an upstream access control based on
URL paths

HTTP requests for URLs with trailing newlines could bypass an upstream
access control based on URL paths.

This issue has low severity, according to the Django security policy.

Thanks to Sjoerd Job Postmus and TengMA(@te3t123) for the report.


Affected supported versions

     Django main branch
     Django 4.0 (which will be released in a separate blog post later
                  today)
     Django 3.2
     Django 3.1
     Django 2.2


Resolution

Patches to resolve the issue have been applied to Django's main branch
and the 4.0, 3.2, 3.1, and 2.2 release branches. The patches may be
obtained from the following changesets:

     On the main branch
     On the 4.0 release branch
     On the 3.2 release branch
     On the 3.1 release branch
     On the 2.2 release branch

The following releases have been issued:

     Django 3.2.10 (download Django 3.2.10 | 3.2.10 checksums)
     Django 3.1.14 (download Django 3.1.14 | 3.1.14 checksums)
     Django 2.2.25 (download Django 2.2.25 | 2.2.25 checksums)

The PGP key ID used for this release is Mariusz Felisiak:
2EF56372BA48CD1B.


General notes regarding security reporting

As always, we ask that potential security issues be reported via private
email to security@djangoproject.com, and not via Django's Trac instance
or the django-developers list. Please see our security policies for
further information.



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