
Now imagine that instead of entering ' susan' the attacker entered ' or 1 = 1. The user entered the string ' susan' (without the apostrophes) in a web form text entry field, and the program used string concatenation statements to form the above SQL statement from the three fragments select * from person where name = ', the user input of ' susan', and ' and age = 2. This allows the attacker to alter the structure of the SQL statement which is executed.Īs a simple example, imagine that the data ' susan' in the above statement was provided by user input. SQL injection occurs when specially crafted user input is processed by the receiving program in a way that allows the input to exit a data context and enter a command context. For example, in the SQL statement select * from person where name = 'susan' and age = 2 the string ' susan' is data and the fragment and age = 2 is an example of a command (the value 2 is also data in this example). This form of injection relies on the fact that SQL statements consist of both data used by the SQL statement and commands that control how the SQL statement is executed. Technical implementations Incorrectly constructed SQL statements This classification represents the state of SQLI, respecting its evolution until 2010-further refinement is underway. The Storm Worm is one representation of Compounded SQLI.

to dump the database contents to the attacker).
HACK STAR TREK ONLINE CHEAT ENGINE CODE
SQL injection is a code injection technique used to attack data-driven applications, in which malicious SQL statements are inserted into an entry field for execution (e.g. Security information and event management (SIEM)Ī classification of SQL injection attacking vector as of 2010.Host-based intrusion detection system (HIDS).
