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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a format string vulnerability?
💡 Hint: Think about how user input can affect the execution of the program.
Question 2
Easy
Give an example of a safe format string usage.
💡 Hint: Consider how to prevent user input from being treated as executable code.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does the %n format specifier do?
- Writes to a memory address
- Returns a string
- Provides an integer value
💡 Hint: Consider how %n interacts with memory.
Question 2
True or False: Using user input directly as a format string is a safe practice.
- True
- False
💡 Hint: Think about the consequences of unsanitized input.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A web application uses printf(user_input); in multiple areas. Identify the risks associated and propose a comprehensive plan to mitigate these vulnerabilities.
💡 Hint: Think about the consequences of not sanitizing input.
Question 2
Create a secure function to safely print user input using printf. Explain how it prevents format string vulnerabilities.
💡 Hint: Focus on how to enforce safety measures.
Challenge and get performance evaluation