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validate_ipv4_address() was affected only on Python < 3.9.5, see [1]. URLValidator() uses a regular expressions and it was affected on all Python versions. [1] https://bugs.python.org/issue36384
59 lines
2.5 KiB
Plaintext
59 lines
2.5 KiB
Plaintext
==========================
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Django 3.2.4 release notes
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==========================
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*June 2, 2021*
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Django 3.2.4 fixes two security issues and several bugs in 3.2.3.
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CVE-2021-33203: Potential directory traversal via ``admindocs``
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===============================================================
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Staff members could use the :mod:`~django.contrib.admindocs`
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``TemplateDetailView`` view to check the existence of arbitrary files.
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Additionally, if (and only if) the default admindocs templates have been
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customized by the developers to also expose the file contents, then not only
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the existence but also the file contents would have been exposed.
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As a mitigation, path sanitation is now applied and only files within the
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template root directories can be loaded.
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CVE-2021-33571: Possible indeterminate SSRF, RFI, and LFI attacks since validators accepted leading zeros in IPv4 addresses
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===========================================================================================================================
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:class:`~django.core.validators.URLValidator`,
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:func:`~django.core.validators.validate_ipv4_address`, and
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:func:`~django.core.validators.validate_ipv46_address` didn't prohibit leading
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zeros in octal literals. If you used such values you could suffer from
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indeterminate SSRF, RFI, and LFI attacks.
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:func:`~django.core.validators.validate_ipv4_address` and
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:func:`~django.core.validators.validate_ipv46_address` validators were not
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affected on Python 3.9.5+.
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Bugfixes
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========
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* Fixed a bug in Django 3.2 where a final catch-all view in the admin didn't
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respect the server-provided value of ``SCRIPT_NAME`` when redirecting
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unauthenticated users to the login page (:ticket:`32754`).
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* Fixed a bug in Django 3.2 where a system check would crash on an abstract
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model (:ticket:`32733`).
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* Prevented unnecessary initialization of unused caches following a regression
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in Django 3.2 (:ticket:`32747`).
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* Fixed a crash in Django 3.2 that could occur when running ``mod_wsgi`` with
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the recommended settings while the Windows ``colorama`` library was installed
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(:ticket:`32740`).
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* Fixed a bug in Django 3.2 that would trigger the auto-reloader for template
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changes when directory paths were specified with strings (:ticket:`32744`).
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* Fixed a regression in Django 3.2 that caused a crash of auto-reloader with
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``AttributeError``, e.g. inside a ``Conda`` environment (:ticket:`32783`).
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* Fixed a regression in Django 3.2 that caused a loss of precision for
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operations with ``DecimalField`` on MySQL (:ticket:`32793`).
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