EscapingĪ straightforward, though error-prone, way to prevent injections is to escape characters that have a special meaning in SQL. The ORM library in effect will generate parameterized SQL statements from object-oriented code. Using object-relational mapping libraries avoids the need to write SQL code. The user input is then assigned (bound) to a parameter. In many cases, the SQL statement is fixed, and each parameter is a scalar, not a table. With most development platforms, parameterized statements can be used that work with parameters (sometimes called placeholders or bind variables) instead of embedding user input in the statement. A complete overview of the SQL Injection classification is presented in the next figure, Krassen Deltchev in 2010: The Storm Worm is one representation of Compounded SQLIA.

SQL Injection + Insufficient authentication.

Compounded SQLIA is a new term derived from research on SQL Injection Attacking Vector in combination with other different web application attacks as:

The DBMS specific SQLIA should be considered as supportive regardless of the utilization of Classic or Inference SQLIA. Inference SQLIA is still a threat, because of its dynamic and flexible deployment as an attacking scenario. Some security researchers propose that Classic SQLIA is outdated though many web applications are not hardened against them. The attacking vector contains five main sub-classes depending on the technical aspects of the attack's deployment: SQL Injection Attack (SQLIA) is considered one of the top 10 web application vulnerabilities of 2010 by the Open Web Application Security Project. 2.1 Incorrectly filtered escape characters.When under direct attack, some applications occasionally came under aggressive attacks and at their peak, were attacked 800-1300 times per hour. In the wild, it has been noted that applications experience, on average, 71 attempts an hour. Using well designed query language interpreters can prevent SQL injections. SQL injection is mostly known as an attack vector for websites but can be used to attack any type of SQL database. SQL commands are thus injected from the web form into the database of an application (like queries) to change the database content or dump the database information like credit card or passwords to the attacker. The vulnerability happens when user input is either incorrectly filtered for string literal escape characters embedded in SQL statements or user input is not strongly typed and unexpectedly executed.

SQL injection is a code injection technique that exploits a security vulnerability in a website's software. A SQL injection is often used to attack the security of a website by inputting SQL statements in a web form to get a badly designed website in order to dump the database content to the attacker.

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