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https://issues.apache.org/jira/browse/COUCHDB-1073?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13199417#comment-13199417
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Ian Bull commented on COUCHDB-1073:
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Hi everyone,
Maybe I'm mistaken, but isn't the UserCtx fetched from the /_sessions and used
for things like AuthDocs? Since the session is not actually deleted when the
user logs out, you can easily "simulate" a user by sending a AuthSession=XXX in
your HTTP header. This would fetch the UserCtx from the /_sessions DB and use
that for all DB actions (update documents, etc...).
If the DELETE _session actually removed this session, then one a user hits
"logout" nobody could "simulate" their session.
Again, maybe I'm wrong / mistaken. I'm just getting into the details of this
now.
> DELETE _session doesn't delete the session. Client can still get user
> information using GET _session and with the session cookie retrieved.
> -------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: COUCHDB-1073
> URL: https://issues.apache.org/jira/browse/COUCHDB-1073
> Project: CouchDB
> Issue Type: Improvement
> Reporter: Johnny Weng Luu
>
> When using DELETE _session CouchDB only sends a empty session cookie back.
> But if I use the original session cookie when using GET _session I can still
> get the user information.
> https://gist.github.com/838996
> This could be a security flaw because when the user leaves the computer a
> hacker can check out the session cookie and log in to account.
> Very bad if it's a very sensitive web application like financial.
> Isn't it better to just delete the session internally in couchdb when DELETE
> _session is used. Then that session cookie the hacker gets won't matter
> because the session is already gone.
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