Which of the following do NOT protect against SQL injection attacks?A ) Linq to SQL queries that use Table<T> IQueryable methods.B ) None of these answers are correctC ) EF Core FromSqlInterpolated statements with parameters directly in the interpolated string.D ) Sanitizing untrusted user inputsE ) ADO.Net SqlExecute statements that use strongly-typed parameter
Question
Which of the following do NOT protect against SQL injection attacks?A ) Linq to SQL queries that use Table<T> IQueryable methods.B ) None of these answers are correctC ) EF Core FromSqlInterpolated statements with parameters directly in the interpolated string.D ) Sanitizing untrusted user inputsE ) ADO.Net SqlExecute statements that use strongly-typed parameter
Solution
The option that does NOT protect against SQL injection attacks is C) EF Core FromSqlInterpolated statements with parameters directly in the interpolated string.
This is because when you use interpolated strings, you are essentially creating a string that includes the user input. If the user input includes SQL code, it will be executed as part of the query, which is exactly what SQL injection is.
Even though EF Core's FromSqlInterpolated method does some work to sanitize inputs, it's not foolproof and can still be vulnerable to SQL injection if not used carefully.
On the other hand, options A, D, and E all involve methods that use parameterized queries, which is a recommended way to protect against SQL injection. Option B is incorrect because it states that none of the answers are correct, which is not true.
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Question 1Which of the following countermeasures help developers prevent applications from becoming vulnerable to SQL injection attacks? 1 pointDesign the code such that it traps and handles exceptions appropriately Allow entries that contain binary data, escape sequences, and comment characters Never use a prepared statement to create a parameterized query Construct dynamic SQL with concatenated input values 2.Question 2Which of the following practices helps developers defend against SQL injection attacks? 1 pointAlways construct dynamic SQL with concatenated input values Build Transact-SQL statements directly from user input Never implement multiple layers of validation Test the content of string variables and accept only expected values
Question 1Which of the following types of SQL injection attack is difficult to perform as the attacker needs to communicate with the server and determine the features of the database used by the web application? 1 pointBlind SQL injection In-band SQL injection Out-of-band SQL injection Inferential SQL injection 2.Question 2In which of the following attacks does an attacker pose a true or false question to a database to determine whether an application is vulnerable to SQL injection? 1 pointUnion SQL injection In-band SQL injection Blind SQL injection Error-based SQL injection
What is best practice in defending against SQL injection?
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