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I'm aware of the other methods which mostly explained on your paper. Footnote 2 which clears up the definition "completely blind" was supposed to be "*No error is displayed and no indicators are visible in the response*" instead of "*No error is displayed and no indicators are visible in the response that an error occurred*".
Hopefully will update the paper soon, thanks for pointing it out.
2008/8/19 David Litchfield <email@example.com>
> Hi Ferruh,
> This is a short whitepaper about a new way to exploit Blind SQL
> I just had a read of your paper. You open with: "If the injection point is
> completely blind then the only way to extract data is using time based
> attacks like WAITFOR DELAY, BENCHMARK etc." This is not the case. You can
> use other non-time based (and therefore faster) methods to infer the value
> of data. See "Data-mining with SQL Injection and Inference" -
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-- Ferruh Mavituna http://ferruh.mavituna.com
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