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Date: Fri, 04 Oct 2013 08:11:03 +0200
From: Florian Weimer <>
Subject: Re: A note on cookie based sessions

* Kurt Seifried:

> That's a problem, but also an inherent limitation of how such session
> handling works. The advantages are a stateless backend, no need for
> state DB, if you have many backends, especially distributed, logins
> just work no matter which server you connect to.

The downside is that you rely on cryptography in an essential way,
which is never a good idea.

> the documentation can maybe be improved (especially mentioning
> HTTPS/HSTS to prevent sniffing of the cookie) but generally speaking
> this is covered, so no CVEs here.

What about applications built on top of those stacks which do not
document this?  Would they receive a CVE?  (Probably no, but I'd like
to point out that documentation of features with a security impact is
not an absolute thing.)

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