Safety vulnerability ID: 72111
The information on this page was manually curated by our Cybersecurity Intelligence Team.
Affected versions of Django are potentially vulnerable to denial-of-service via the get_supported_language_variant() method. This method was susceptible to a denial-of-service attack when used with very long strings containing specific characters. Exploiting this vulnerability could cause significant delays or crashes in the affected application, potentially leading to service disruption.
Latest version: 5.1.4
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*July 9, 2024*
Django 4.2.14 fixes two security issues with severity "moderate" and two
security issues with severity "low" in 4.2.13.
CVE-2024-38875: Potential denial-of-service vulnerability in ``django.utils.html.urlize()``
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:tfilter:`urlize` and :tfilter:`urlizetrunc` were subject to a potential
denial-of-service attack via certain inputs with a very large number of
brackets.
CVE-2024-39329: Username enumeration through timing difference for users with unusable passwords
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The :meth:`~django.contrib.auth.backends.ModelBackend.authenticate()` method
allowed remote attackers to enumerate users via a timing attack involving login
requests for users with unusable passwords.
CVE-2024-39330: Potential directory-traversal via ``Storage.save()``
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Derived classes of the :class:`~django.core.files.storage.Storage` base class
which override :meth:`generate_filename()
<django.core.files.storage.Storage.generate_filename()>` without replicating
the file path validations existing in the parent class, allowed for potential
directory-traversal via certain inputs when calling :meth:`save()
<django.core.files.storage.Storage.save()>`.
Built-in ``Storage`` sub-classes were not affected by this vulnerability.
CVE-2024-39614: Potential denial-of-service vulnerability in ``get_supported_language_variant()``
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:meth:`~django.utils.translation.get_supported_language_variant` was subject to
a potential denial-of-service attack when used with very long strings
containing specific characters.
To mitigate this vulnerability, the language code provided to
:meth:`~django.utils.translation.get_supported_language_variant` is now parsed
up to a maximum length of 500 characters.
When the language code is over 500 characters, a :exc:`ValueError` will now be
raised if ``strict`` is ``True``, or if there is no generic variant and
``strict`` is ``False``.
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