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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
33 lines
1.4 KiB
Plaintext
33 lines
1.4 KiB
Plaintext
===========================
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Django 3.1.12 release notes
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===========================
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*June 2, 2021*
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Django 3.1.12 fixes two security issues in 3.1.11.
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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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