Some common SQL injection examples include: Retrieving hidden data, where you can modify an SQL query to return additional results. Subverting application logic, where you can change a query to interfere with the application’s logic. UNION attacks, where you can retrieve data from different database tables.
What is out-of-band SQL injection?
Out-of-band SQL injection: This type of SQL injection is possible only for some databases, for example, Microsoft SQL Server and Oracle. The attacker includes a special database command in the payload – this command causes a request to an external resource (controlled by the attacker)
What are the risks of SQL injection attacks?
A successful SQL injection attack can result in unauthorized access to sensitive data, such as passwords, credit card details, or personal user information. Many high-profile data breaches in recent years have been the result of SQL injection attacks, leading to reputational damage and regulatory fines.
What are blind SQL injections?
Blind SQL injections can be classified as follows: Boolean —that attacker sends a SQL query to the database prompting the application to return a result. The result will vary depending on whether the query is true or false. Based on the result, the information within the HTTP response will modify or stay unchanged.
How can I protect my PostgreSQL database from SQL injection attacks?
Protecting PostgreSQL from data pirates and vandals who attempt to use SQL injection attacks against a database doesn’t have to be a difficult task. There are generic safeguards that can be implemented by the developer and DBA, which will close a number of potential openings.
How to identify SQL injection exploits in PHP?
When we analyze check_user.php, it is immediately obvious that the script is poorly written and vulnerable to an SQL injection attack. The number of records in the access.log and the pattern indicate that the attacker used an SQL injection exploitation tool to exploit an SQL injection vulnerability.
