Re: Escaping strings for inclusion into SQL queries

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От Bruce Momjian
Тема Re: Escaping strings for inclusion into SQL queries
Дата
Msg-id 200109040059.f840xf806810@candle.pha.pa.us
обсуждение исходный текст
Ответ на Escaping strings for inclusion into SQL queries  (Florian Weimer <Florian.Weimer@RUS.Uni-Stuttgart.DE>)
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I am going to apply this patch with the change that the function name
will be PQ* not PG*.

> It has come to our attention that many applications which use libpq
> are vulnerable to code insertion attacks in strings and identifiers
> passed to these applications.  We have collected some evidence which
> suggests that this is related to the fact that libpq does not provide
> a function to escape strings and identifiers properly.  (Both the
> Oracle and MySQL client libraries include such a function, and the
> vast majority of applications we examined are not vulnerable to code
> insertion attacks because they use this function.)
> 
> We therefore suggest that a string escaping function is included in a
> future version of PostgreSQL and libpq.  A sample implementation is
> provided below, along with documentation.
> 
> -- 
> Florian Weimer                       Florian.Weimer@RUS.Uni-Stuttgart.DE
> University of Stuttgart           http://cert.uni-stuttgart.de/
> RUS-CERT                          +49-711-685-5973/fax +49-711-685-5898

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--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
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