Safety vulnerability ID: 44426
The information on this page was manually curated by our Cybersecurity Intelligence Team.
Django 2.2.26, 3.2.11 and 4.0.1 include a fix for CVE-2021-45452: Storage.save in Django 2.2 before 2.2.26, 3.2 before 3.2.11, and 4.0 before 4.0.1 allows directory traversal if crafted filenames are directly passed to it.
https://www.djangoproject.com/weblog/2022/jan/04/security-releases/
Latest version: 5.0.4
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*January 4, 2022*
Django 2.2.26 fixes one security issue with severity "medium" and two security
issues with severity "low" in 2.2.25.
CVE-2021-45115: Denial-of-service possibility in ``UserAttributeSimilarityValidator``
=====================================================================================
:class:`.UserAttributeSimilarityValidator` incurred significant overhead
evaluating submitted password that were artificially large in relative to the
comparison values. On the assumption that access to user registration was
unrestricted this provided a potential vector for a denial-of-service attack.
In order to mitigate this issue, relatively long values are now ignored by
``UserAttributeSimilarityValidator``.
This issue has severity "medium" according to the :ref:`Django security policy
<security-disclosure>`.
CVE-2021-45116: Potential information disclosure in ``dictsort`` template filter
================================================================================
Due to leveraging the Django Template Language's variable resolution logic, the
:tfilter:`dictsort` template filter was potentially vulnerable to information
disclosure or unintended method calls, if passed a suitably crafted key.
In order to avoid this possibility, ``dictsort`` now works with a restricted
resolution logic, that will not call methods, nor allow indexing on
dictionaries.
As a reminder, all untrusted user input should be validated before use.
This issue has severity "low" according to the :ref:`Django security policy
<security-disclosure>`.
CVE-2021-45452: Potential directory-traversal via ``Storage.save()``
====================================================================
``Storage.save()`` allowed directory-traversal if directly passed suitably
crafted file names.
This issue has severity "low" according to the :ref:`Django security policy
<security-disclosure>`.
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