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46 lines
2.0 KiB
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46 lines
2.0 KiB
Plaintext
==========================
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Django 3.0.1 release notes
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==========================
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*December 18, 2019*
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Django 3.0.1 fixes a security issue and several bugs in 3.0.
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CVE-2019-19844: Potential account hijack via password reset form
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================================================================
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By submitting a suitably crafted email address making use of Unicode
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characters, that compared equal to an existing user email when lower-cased for
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comparison, an attacker could be sent a password reset token for the matched
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account.
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In order to avoid this vulnerability, password reset requests now compare the
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submitted email using the stricter, recommended algorithm for case-insensitive
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comparison of two identifiers from `Unicode Technical Report 36, section
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2.11.2(B)(2)`__. Upon a match, the email containing the reset token will be
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sent to the email address on record rather than the submitted address.
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.. __: https://www.unicode.org/reports/tr36/#Recommendations_General
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Bugfixes
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========
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* Fixed a regression in Django 3.0 by restoring the ability to use Django
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inside Jupyter and other environments that force an async context, by adding
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an option to disable :ref:`async-safety` mechanism with
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:envvar:`DJANGO_ALLOW_ASYNC_UNSAFE` environment variable (:ticket:`31056`).
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* Fixed a regression in Django 3.0 where ``RegexPattern``, used by
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:func:`~django.urls.re_path`, returned positional arguments to be passed to
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the view when all optional named groups were missing (:ticket:`31061`).
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* Reallowed, following a regression in Django 3.0,
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:class:`~django.db.models.expressions.Window` expressions to be used in
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conditions outside of queryset filters, e.g. in
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:class:`~django.db.models.expressions.When` conditions (:ticket:`31060`).
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* Fixed a data loss possibility in
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:class:`~django.contrib.postgres.forms.SplitArrayField`. When using with
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``ArrayField(BooleanField())``, all values after the first ``True`` value
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were marked as checked instead of preserving passed values (:ticket:`31073`).
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