Re: lastval exposes information that currval does not - Mailing list pgsql-hackers

From Joshua D. Drake
Subject Re: lastval exposes information that currval does not
Date
Msg-id 200607051757.08827.jd@commandprompt.com
Whole thread Raw
In response to Re: lastval exposes information that currval does not  (Phil Frost <indigo@bitglue.com>)
Responses Re: lastval exposes information that currval does not  (Phil Frost <indigo@bitglue.com>)
List pgsql-hackers
> I am well aware of what security definer means. The significant part of
> this example is that lastval() will allow the caller to see the value of
> a sequence where currval('seq') will not. This means that things which
> might have been forbidden in 8.0 are now accessible in 8.1.
>
> It also means that revoking usage on a schema is not sufficient to
> prevent a user from accessing things within that schema, a property that
> makes me quite uncomfortable.

Then the public schema must drive you nuts :). If you were to create the 
function as a non-super user you would probably be good.

Joshua D. Drake



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