DING!  That's the sound of a little lightbulb turning on...

Thanks so much for that tidbit...I could certainly see myself getting
screwed by not using such a thing.

Dan
----- Original Message ----- 
From: "Neil Smith [MVP, Digital media]" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Monday, May 10, 2004 11:21 AM
Subject: RE :I thought "4" didn't equal "456456456%20%20OR%201<>2"


> It doesn't. What you're seeing is an SQL injection attack. If you *trust*
> the SQL code you allow from POST or GET requests, your SQL server will be
> own3d in due course.
>
> That URL actually translates to 456456456  OR 1<>2
>
> Which is always true. So If you use this verbatim, you'll get a true
result
> (if you were using it as part of a login process, the user would be in
> without providing a login and password :-p )
>
> I always, *always* apply $result=(integer) $_GET["uid"] to these strings :
> That way you are guaranteed it's a number not a string.
>
> Cheers - Neil
>
>
> >Message-ID: <[EMAIL PROTECTED]>
> >From: "Dan Bowkley" <[EMAIL PROTECTED]>
> >To: <[EMAIL PROTECTED]>
> >Date: Sun, 9 May 2004 15:17:19 -0700
> >MIME-Version: 1.0
> >Content-Type: text/plain;
> >         charset="iso-8859-1"
> >Content-Transfer-Encoding: 7bit
> >Subject: Re: [PHP-DB] supernoob strikes again
> >
> >I thought "4" didn't equal "456456456%20%20OR%201<>2"
>
>
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