Re: [SECURITY] DoS attack on backend possible (was: Re: - Mailing list pgsql-hackers

From Florian Weimer
Subject Re: [SECURITY] DoS attack on backend possible (was: Re:
Date
Msg-id 874re04ha6.fsf@CERT.Uni-Stuttgart.DE
Whole thread Raw
In response to Re: [SECURITY] DoS attack on backend possible (was: Re:  (Mike Mascari <mascarm@mascari.com>)
List pgsql-hackers
Mike Mascari <mascarm@mascari.com> writes:

> I'd still think it would be a good policy to make a security release.
> However, without user resource limits in PostgreSQL, anyone can make a
> machine useless with a query like:
>
> SELECT * 
> FROM pg_class a, pg_class b, pg_class c, pg_class d, pg_class e, ... ;

But this requires to be able to send arbitrary SQL commands; just
feeding a specially crafted date string usually does not.

-- 
Florian Weimer                       Weimer@CERT.Uni-Stuttgart.DE
University of Stuttgart           http://CERT.Uni-Stuttgart.DE/people/fw/
RUS-CERT                          fax +49-711-685-5898


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