A penetration tester is able to make a web application display error messages that reveal details about the SQL database structure. What type of application attack does this illustrate?
Question
A penetration tester is able to make a web application display error messages that reveal details about the SQL database structure. What type of application attack does this illustrate?
Solution
This illustrates an SQL Injection attack.
Step 1: The penetration tester sends malicious data to the web application. This data is typically a SQL query or command.
Step 2: The web application does not properly validate or sanitize the input and passes the malicious data to the SQL database.
Step 3: The SQL database executes the malicious query or command, which can lead to unauthorized access, data leakage, data modification, or even data loss.
Step 4: The error messages returned by the SQL database reveal details about its structure. This information can be used by the attacker to further exploit the database.
So, the ability of the penetration tester to make the web application display such error messages is indicative of an SQL Injection attack.
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