Apache Commons Text: Emulation and Detection
In this lab, you will emulate, detect, and protect against the Apache Commons Text vulnerability found in CVE-2022-42889.
Terms and conditions apply.
Getting Started In The Lab Environment
Here are the initial instructions and explanation of the lab environment. Read this while your environment is busy creating itself from nothing. Yes, this violates physics; we know. How fun!
In this challenge, you will emulate an attacker attempting to use the exploit in a live environment.
In this challenge, you will detect the exploit using Suricata and tcpdump.
In this challenge, you will protect against the vulnerability by patching the affected application inside of a Docker container.
The Last Challenge
Welcome to the final challenge! This is your last chance to experiment in the environment. Clicking Finish Lab will end this little world that flittered into existence just for you.
Provided environment for hands-on practice
We will provide the credentials and environment necessary for you to practice right within your browser.
Follow along with the author’s guided walkthrough and build something new in your provided environment!
Did you know?
On average, you retain 75% more of your learning if you get time for practice.
- An understanding of the following will help, but isn't required to complete the lab:
- Linux commands, like curl and sed