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Using Binary Search with SQL Injection


From: "Sverre H. Huseby" <shh () thathost com>
Date: Tue, 26 Aug 2003 18:19:16 +0200

When being bored, one often does strange and useless things, such as
this:



Using Binary Search with SQL Injection
======================================

  Sverre H. Huseby
  shh () thathost com
  2003-08-26

With SQL Injection one may perform many cool attacks on a web site.
This text will not tell you how, as it assumes you're already familiar
with advanced SQL Injection.

Getting access to information using SQL Injection is sometimes
trivial, and sometimes hard.  How hard it is depends on many factors,
such as: Is it possible to use UNION SELECT?  Is it possible to batch
requests in order to INSERT or UPDATE something based on subselects?

The following presents a method to get access to values of textual
database fields when neither batched queries nor UNION SELECT will
help.  [...]

Read the rest of this text here:

  http://shh.thathost.com/text/binary-search-sql-injection.txt



Sverre.

-- 
shh () thathost com
http://shh.thathost.com/


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