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32 lines
1.2 KiB
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32 lines
1.2 KiB
Plaintext
==========================
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Django 2.2.9 release notes
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==========================
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*December 18, 2019*
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Django 2.2.9 fixes a security issue and a data loss bug in 2.2.8.
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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 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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