full-disclosure - Re: MySQL trick for SQL injection

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Date: Fri, 06 Nov 2009 11:37:28 -0500
From: Valdis.Kletnieks@...edu
To: Paul Schmehl <pschmehl_lists@...rr.com>
Cc: Full disclosure <full-disclosure@...ts.grok.org.uk>
Subject: Re: MySQL trick for SQL injection

On Fri, 06 Nov 2009 10:04:54 CST, Paul Schmehl said:
> What privileges did the user who performed the select have?
> 
> INTO OUTFILE is a dangerous routine (as you've clearly demonstrated), but that 
> privilege must be specifically granted to a user before it's possible to 
> execute it.  No sensible administrator would grant the FILE privilege to a 
> webserver application's database acccount.

Very true, but a good blackhat always keeps a good supply of ways to exploit
common stupid administrator mistakes.  I'd not be surprised in the least if
more than 10% of the sites, some admin under time pressure to Just Fix It
assigned FILE privs to get the web application back up and running.

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