Date: Tue, 4 Oct 2022 10:03:56 +0200 From: Carlton Gibson <carlton.gibson@...il.com> To: oss-security@...ts.openwall.com Subject: Django CVE-2022-41323: Potential denial-of-service vulnerability in internationalized URLs Django security releases issued: 4.1.2, 4.0.8, and 3.2.16 https://www.djangoproject.com/weblog/2022/oct/04/security-releases/ In accordance with `our security release policy <https://docs.djangoproject.com/en/dev/internals/security/>`_, the Django team is issuing `Django 4.1.2 <https://docs.djangoproject.com/en/dev/releases/4.1.2/>`_, `Django 4.0.8 <https://docs.djangoproject.com/en/dev/releases/4.0.8/>`_, and `Django 3.2.16 <https://docs.djangoproject.com/en/dev/releases/3.2.16/>`_. These releases addresses the security issue detailed below. We encourage all users of Django to upgrade as soon as possible. CVE-2022-41323: Potential denial-of-service vulnerability in internationalized URLs =================================================================================== Internationalized URLs were subject to potential denial of service attack via the locale parameter. This is now escaped to avoid this possibility. This issue has medium severity, according to the Django security policy. Thanks to Benjamin Balder Bach for the report. Affected supported versions =========================== * Django main branch * Django 4.1 * Django 4.0 * Django 3.2 Resolution ========== Patches to resolve the issue have been applied to Django's main branch and the 4.1, 4.0, and 3.2 release branches. The patches may be obtained from the following changesets: * On the `main branch < https://github.com/django/django/commit/e5ea2842941967f06cefa10865f303b39c95279f >`__ * On the `4.1 release branch < https://github.com/django/django/commit/9d656ea51d9ea7105c0c0785783ac29d426a7d25 >`__ * On the `4.0 release branch < https://github.com/django/django/commit/23f0093125ac2e553da6c1b2f9988eb6a3dd2ea1 >`__ * On the `3.2 release branch < https://github.com/django/django/commit/5b6b257fa7ec37ff27965358800c67e2dd11c924 >`__ The following releases have been issued: * Django 4.1.2 (`download Django 4.1.2 < https://www.djangoproject.com/m/releases/4.1/Django-4.1.2.tar.gz>`_ | `4.1.2 checksums < https://www.djangoproject.com/m/pgp/Django-4.1.2.checksum.txt>`_) * Django 4.0.8 (`download Django 4.0.8 < https://www.djangoproject.com/m/releases/4.0/Django-4.0.8.tar.gz>`_ | `4.0.8 checksums < https://www.djangoproject.com/m/pgp/Django-4.0.8.checksum.txt>`_) * Django 3.2.16 (`download Django 3.2.16 < https://www.djangoproject.com/m/releases/3.2/Django-3.2.16.tar.gz>`_ | `3.2.16 checksums < https://www.djangoproject.com/m/pgp/Django-3.2.16.checksum.txt>`_) The PGP key ID used for this release is Carlton Gibson: `E17DF5C82B4F9D00 < https://github.com/carltongibson.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.
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