Practice Command Injection (3.4) - Application Security - Introductory Cyber Security
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Command Injection

Practice - Command Injection

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is command injection?

💡 Hint: Think about how user input can affect system commands.

Question 2 Easy

Give an example of a command that could be dangerous if input is not validated.

💡 Hint: What command would target a system's file structure?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is command injection?

A method of encrypting data
A vulnerability that allows execution of arbitrary commands
A programming technique
A database management command

💡 Hint: Focus on what 'injection' refers to in a security context.

Question 2

True or False: Command injection can lead to unauthorized data access and malware installation.

True
False

💡 Hint: Consider the implications of executing commands without restrictions.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given the command 'open_file user_input.txt', discuss how an attacker could exploit this if user_input is not validated and suggest a step-by-step prevention strategy.

💡 Hint: Consider how to filter inputs effectively.

Challenge 2 Hard

Evaluate a situation where an application running on a server allows user input to call shell commands. Propose a complete security framework to prevent command injection.

💡 Hint: Look for comprehensive measures that cover every stage of user interaction.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.