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Date: Mon, 3 Feb 2020 10:56:32 +0100
From: Carlton Gibson <carlton.gibson@...il.com>
To: oss-security@...ts.openwall.com
Subject: Django 3.0.3, 2.2.10 and 1.11.28: CVE-2020-7471: Potential SQL
 injection via ``StringAgg(delimiter)``

https://www.djangoproject.com/weblog/2020/feb/03/security-releases/ <https://www.djangoproject.com/weblog/2020/feb/03/security-releases/>

In accordance with `our security release policy <https://docs.djangoproject.com/en/dev/internals/security/>`_, the Django team is issuing `Django 3.0.3 <https://docs.djangoproject.com/en/dev/releases/3.0.3/>`_, `Django 2.2.10 <https://docs.djangoproject.com/en/dev/releases/2.2.10/>`_ and `Django 1.11.28 <https://docs.djangoproject.com/en/dev/releases/1.11.28/>`_. These releases address the security issue detailed below. We encourage all users of Django to upgrade as soon as possible.

Affected supported versions
===========================

* Django master branch
* Django 3.0
* Django 2.2
* Django 1.11

CVE-2020-7471: Potential SQL injection via ``StringAgg(delimiter)``
===================================================================

``django.contrib.postgres.aggregates.StringAgg`` aggregation function was
subject to SQL injection, using a suitably crafted ``delimiter``.

Thank you to Simon Charette for the report and patch. 

Resolution
==========

Patches to resolve the issue have been applied to Django's master branch and
the 3.0, 2.2, and 1.11 release branches. The patches may be obtained from the following changesets:

* On the `master branch <https://github.com/django/django/commit/eb31d845323618d688ad429479c6dda973056136>`__
* On the `3.0 release branch <https://github.com/django/django/commit/505826b469b16ab36693360da9e11fd13213421b>`__
* On the `2.2 release branch <https://github.com/django/django/commit/c67a368c16e4680b324b4f385398d638db4d8147>`__
* On the `1.11 release branch <https://github.com/django/django/commit/001b0634cd309e372edb6d7d95d083d02b8e37bd>`__

The following releases have been issued:

* Django 3.0.3 (`download Django 3.0.3 <https://www.djangoproject.com/m/releases/3.0/Django-3.0.3.tar.gz>`_ | `3.0.3 checksums <https://www.djangoproject.com/m/pgp/Django-3.0.3.checksum.txt>`_)
* Django 2.2.10 (`download Django 2.2.10 <https://www.djangoproject.com/m/releases/2.2/Django-2.2.10.tar.gz>`_ | `2.2.10 checksums <https://www.djangoproject.com/m/pgp/Django-2.2.10.checksum.txt>`_)
* Django 1.11.28 (`download Django 1.11.28 <https://www.djangoproject.com/m/releases/1.11/Django-1.11.28.tar.gz>`_ | `1.11.28 checksums <https://www.djangoproject.com/m/pgp/Django-1.11.28.checksum.txt>`_)

The PGP key ID used for these releases is Carlton Gibson: E17DF5C82B4F9D00.

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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