By David Litchfield, Chris Anley, John Heasman, Bill Grindlay,
Databases are the nerve middle of our economic climate. every bit of your individual info is kept there-medical files, financial institution money owed, employment background, pensions, automobile registrations, even your kid's grades and what groceries you purchase. Database assaults are in all probability crippling-and relentless.
In this crucial follow-up to The Shellcoder's guide, 4 of the world's most sensible defense specialists educate you to wreck into and protect the seven most well liked database servers. you will methods to establish vulnerabilities, how assaults are performed, and the way to prevent the carnage. The undesirable men already be aware of all this. you must understand it too.
* determine and plug the hot holes in Oracle and Microsoft(r) SQL Server
* examine the simplest defenses for IBM's DB2(r), PostgreSQL, Sybase ASE, and MySQL(r) servers
* realize how buffer overflow exploitation, privilege escalation via SQL, kept strategy or set off abuse, and SQL injection permit hacker access
* realize vulnerabilities strange to every database
* discover what the attackers already understand
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Additional info for The Database Hackers Handbook
Sample text
0:01 ora_dbw0_orasidsol oracle 17753 1 0 11:26:16 ? 0:01 ora_lgwr_orasidsol oracle 17755 1 0 11:26:16 ? 0:05 ora_ckpt_orasidsol oracle 17762 1 0 11:30:59 ? 1:34 oracleorasidsol (LOCAL=NO) Each RDBMS process has the name of the database SID appended to it — in this case orasidsol. The following list looks at each process and discusses what each does. ■■ The PMON process. This is the Process Monitor process and its job is to check if any of the other processes fail, and perform housekeeping tasks if one does such as free handles and so on.
The State of Database Security Research Before we can discuss the state of database security research, we should first define what we mean by the term. In general, when we use the phrase “database security research” we tend to mean research into specific, practical flaws in the security of database systems. We do not mean research into individual security incidents or discussions of marketing-led accreditation or certification efforts. We don’t even mean academic research into the underlying abstractions of database security, such as field-, row-, and object-level security, or encryption, or formal protocol security analysis — though the research we are talking about may certainly touch on those subjects.
Dan Farmer and Wietse Venema’s influential 1994 paper “Improving the Security of Your Site by Breaking into It” neatly makes the argument in favor of understanding attack techniques to better defend your network. This book is largely composed of a lot of very specific details about the security features and flaws in a number of databases, but you should notice common threads running through the text. We hope that by the end of the book you will have a much better understanding of how to attack the seven databases we address directly here, but also a deeper understanding of how to attack databases in general.