#33212: Incorrect cookie parsing by django.http.cookie.parse_cookie
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Reporter: Christos Georgiou | Owner: nobody
Type: Bug | Status: new
Component: Core (Other) | Version: 3.2
Severity: Normal | Resolution:
Keywords: cookies | 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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Comment (by Mr. Glass):
Replying to [comment:1 Christos Georgiou]:
> There is a related discussion at
https://code.djangoproject.com/ticket/26158 where it is claimed that
splitting on ';' is safe (because a raw ';' is invalid in a cookie value).
I don't think it is, unless we assume that all HTTP requests come **from
well-known browsers** that are **trustworthy** to follow standards.
Parsing errors like this often lead to security vulnerabilities, and an
attacker will NOT use a client that conforms to standards
--
Ticket URL: <https://code.djangoproject.com/ticket/33212#comment:3>
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