TryHackMe — Simple CTF: The Note That Gave Everything Away

📰 Medium · Cybersecurity

Learn how to solve a simple Capture The Flag (CTF) challenge by exploiting vulnerabilities in an FTP server and vim binary, and understand the importance of secure configuration, especially with sudo privileges

intermediate Published 29 Jun 2026
Action Steps
  1. Access the FTP server using the anonymous login and password 'secret'
  2. Explore the file system to identify potential vulnerabilities
  3. Use the vim binary with sudo privileges to escalate privileges
  4. Exploit the vulnerabilities to gain root access
  5. Analyze the system configuration to identify security weaknesses
Who Needs to Know This

Security teams and penetration testers can benefit from this exercise to improve their skills in identifying and exploiting vulnerabilities, while developers can learn how to secure their systems and applications

Key Insight

💡 Insecure configuration, such as anonymous FTP and sudo-enabled binaries, can lead to easy exploitation

Share This
💡 Exploit FTP and vim vulnerabilities to gain root access in a CTF challenge

Key Takeaways

Learn how to solve a simple Capture The Flag (CTF) challenge by exploiting vulnerabilities in an FTP server and vim binary, and understand the importance of secure configuration, especially with sudo privileges

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