Hello!

The Django session framework stores session-ids in the database as
plain-text. Unless I'm missing something, these ids could be
vulnerable to SQL injection attacks, if any are discovered or if
developers misuse features like extra(). This vulnerability could be
mitigated if the session-ids were hashed with a secure cryptographic
hash function, like SHA-256, before storing them or querying for them
in the database.

This concern has recently been raised for Joomla! on the Full
Disclosure mailing list:
http://seclists.org/fulldisclosure/2016/Sep/50

What is your opinion on this matter? It could be fairly trivial to
implement, with the only side effect of being computationally
expensive. Still, security is more desirable than efficiency or
performance.

Rigel.

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