[<prev] [next>] [day] [month] [year] [list]
Message-ID: <5afa0e5a-8058-469e-6ad7-587cf4e2a0cd@gmail.com>
Date: Mon, 3 Jul 2023 10:05:54 +0200
From: Mariusz Felisiak <felisiak.mariusz@...il.com>
To: oss-security@...ts.openwall.com
Subject: Django: CVE-2023-36053: Potential regular expression denial of
service vulnerability in EmailValidator/URLValidator
https://www.djangoproject.com/weblog/2023/jul/03/security-releases/
In accordance with `our security release policy
<https://docs.djangoproject.com/en/dev/internals/security/>`_, the
Django team
is issuing
`Django 4.2.3 <https://docs.djangoproject.com/en/dev/releases/4.2.3/>`_,
`Django 4.1.10
<https://docs.djangoproject.com/en/dev/releases/4.1.10/>`_, and
`Django 3.2.20 <https://docs.djangoproject.com/en/dev/releases/3.2.20/>`_.
These releases addresses the security issue detailed below. We encourage all
users of Django to upgrade as soon as possible.
CVE-2023-36053: Potential regular expression denial of service
vulnerability in ``EmailValidator``/``URLValidator``
===================================================================================================================
``EmailValidator`` and ``URLValidator`` were subject to potential regular
expression denial of service attack via a very large number of domain name
labels of emails and URLs.
Thanks Seokchan Yoon for reports.
This issue has severity "moderate" according to the Django security policy.
Affected supported versions
===========================
* Django main branch
* Django 4.2
* Django 4.1
* Django 3.2
Resolution
==========
Patches to resolve the issue have been applied to Django's main branch
and the
4.2, 4.1, and 3.2 release branches. The patches may be obtained from the
following changesets:
* On the `main branch
<https://github.com/django/django/commit/ad0410ec4f458aa39803e5f6b9a3736527062dcd>`__
* On the `4.2 release branch
<https://github.com/django/django/commit/b7c5feb35a31799de6e582ad6a5a91a9de74e0f9>`__
* On the `4.1 release branch
<https://github.com/django/django/commit/beb3f3d55940d9aa7198bf9d424ab74e873aec3d>`__
* On the `3.2 release branch
<https://github.com/django/django/commit/454f2fb93437f98917283336201b4048293f7582>`__
The following releases have been issued:
* Django 4.2.3 (`download Django 4.2.3
<https://www.djangoproject.com/m/releases/4.2/Django-4.2.3.tar.gz>`_ |
`4.2.3 checksums
<https://www.djangoproject.com/m/pgp/Django-4.2.3.checksum.txt>`_)
* Django 4.1.10 (`download Django 4.1.10
<https://www.djangoproject.com/m/releases/4.1/Django-4.1.10.tar.gz>`_ |
`4.1.10 checksums
<https://www.djangoproject.com/m/pgp/Django-4.1.10.checksum.txt>`_)
* Django 3.2.20 (`download Django 3.2.20
<https://www.djangoproject.com/m/releases/3.2/Django-3.2.20.tar.gz>`_ |
`3.2.20 checksums
<https://www.djangoproject.com/m/pgp/Django-3.2.20.checksum.txt>`_)
The PGP key ID used for this release is Mariusz Felisiak:
`2EF56372BA48CD1B <https://github.com/felixxm.gpg>`_.
General notes regarding security reporting
==========================================
As always, we ask that potential security issues be reported via
private email to ``security@...ngoproject.com``, and not via Django's
Trac instance or the django-developers list. Please see `our security
policies <https://www.djangoproject.com/security/>`_ for further
information.
Powered by blists - more mailing lists
Please check out the
Open Source Software Security Wiki, which is counterpart to this
mailing list.
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
