#28881: Common password validator does not handle case correctly
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Reporter: Nick Farrell | Owner: nobody
Type: Uncategorized | Status: new
Component: Uncategorized | Version: 1.11
Severity: Normal | Resolution:
Keywords: | Triage Stage: Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Description changed by Nick Farrell:
Old description:
> The CommonPasswordValidator holds a set of common passwords in memory,
> after strip()ing any whitespace.
> While validating a password, it converts it to lowercase before comparing
> to the set. However, the reference set was not converted to lowercase.
>
> This is not a problem when using the default set of common passwords, as
> they have been preprocessed to be lowercase. However, there is nothing in
> the documentation indicating this preprocessing should occur.
>
> https://github.com/django/django/pull/9414
New description:
The CommonPasswordValidator holds a set of common passwords in memory,
after strip()ing any whitespace.
While validating a password, it converts it to lowercase before comparing
to the set. However, the reference set was not converted to lowercase.
This is not a problem when using the default set of common passwords, as
they have been preprocessed to be lowercase. However, there is nothing in
the documentation indicating this preprocessing should occur.
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Ticket URL: <https://code.djangoproject.com/ticket/28881#comment:2>
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