NCL Practice – Open Source

Available Challenges

Challenge 01

Answer the following questions about security issues.

  1. (25 points) What is the CVE of the original POODLE attack?
  2. (25 points) What version of VSFTPD contained the smiley face backdoor?
  3. (25 points) What was the first 1.0.1 version of OpenSSL that was NOT vulnerable to
    Heartbleed?
  4. (25 points) What was the original RFC number that described Telnet?
  5. (25 points) How large (in bytes) was the SQL Slammer worm?
  6. (25 points) Samy is my…

Check your answers here.

Kait’s Coaching Tips for this challenge can be found here.

Challenge 02

We have intercepted an email sent between hackers. See what you can find out.
(use file: NCL-OpenSource-EmailHeader.txt)

  1. (15 points) What is the recipient’s email address?
  2. (15 points) What is the sender’s email address?
  3. (15 points) What IP address retrieves the email?
  4. (15 points) What is the content type of the message?
  5. (15 points) What version of MIME is being used?
  6. (15 points) What day of the week was the message received?

Check your answers here.

Kait’s Coaching Tips for this challenge can be found here.