![]() ![]() ![]() This means that the query that was executed back in the database was the following: Extract First Name and Surname from ID Field In order to exploit SQL injection vulnerabilities we need to figure out how the query is built in order to inject our parameter in a situation that the query will remain true.For example in the DVWA we can see a text field where it asks for user ID.If we enter the number 1 and we click on the submit button we will notice that it will return the first name and the surname of the user with ID=1. There are many vulnerable applications that you can try in order to learn about SQL injection exploitation but in this article we will focus on the Damn Vulnerable Web Application (DVWA) and how we can extract information from the database by using SQL injection.Of course the methodology can be used and for any real life scenario in web application penetration tests. SQL injection is considered a high risk vulnerability due to the fact that can lead to full compromise of the remote system.This is why in almost all web application penetration testing engagements,the applications are always checked for SQL injection flaws.A general and simple definition of when an application is vulnerable to SQL injection is when the application allows you to interact with the database and to execute queries on the database then it is vulnerable to SQL injection attacks. ![]()
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