Detecting SQL injection in Oracle

Wednesday, 23 July 2003, 11:42 AM EST

This paper investigates the possibilities for the Oracle Database Administrator (DBA) to detect SQL injection in the wild against her Oracle database. Is it possible to detect SQL injection happening? If so what tools and techniques can be employed to achieve this?

The main focus of this paper is to explore some simple techniques in extracting logging and trace data that could be employed for monitoring. The aim is to show the reader what data is readily available so they can make their own mind up about what can be useful. The paper will not cover commercial solutions. Because a true SQL injection tool would involve writing a parser or filter to analyse the SQL statements a fully featured tool is unfortunately beyond the scope of a short paper - I leave the implementation of such a tool to interested readers.

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