Friday, 25 November 2016

Re: [firebird-support] Overflow problem

 

On 2016-11-25 12:40, Lester Caine lester@lsces.co.uk [firebird-support]
wrote:
> Nothing to do with Firebird but can anybody explain why the numbers in
> 'SELECT FIRST 102121121121212 SKIP 3574239239242420' would be a problem
> in MySQL or is it some other vulnerability the original sQL injection
> was trying to hit. I know I need to add limit checks in the code which
> reprocessed the SQL but it quite happily 'white screens' the vast
> majority of MySQL injection attempts so I'm just need to make sure
> there
> is nothing that WOULD affect Firebird adversely.

That number is too big to fit in an int, could explain the problem

BTW: You might want to look for other solutions if you need to skip and
fetch that many records, it is not really efficient ;)

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Posted by: Mark Rotteveel <mark@lawinegevaar.nl>
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Visit http://www.firebirdsql.org and click the Documentation item
on the main (top) menu.  Try FAQ and other links from the left-side menu there.

Also search the knowledgebases at http://www.ibphoenix.com/resources/documents/

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