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Series
Nebula takes the participant through a variety of common vulnerabilities in Linux. At the end of Nebula, the user will have a thorough understanding of local attacks against Linux systems.
After a long break from posting something, I’m pleased to start the new series - Exploit Development. I decided to start with the Nebula challenge from exploit.education. The idea is to walk through and document my journey in the order Nebula ⇾ Phoen...
There is a vulnerability in the below program that allows arbitrary programs to be executed, can you find it? To do this level, log in as the level01 account with the password level01. Files for this level can be found in the /home/flag01 directory. ...
There is a vulnerability in the below program that allows arbitrary programs to be executed, can you find it? To do this level, log in as the level02 account with the password level02. Files for this level can be found in /home/flag02. Source code #...
Check the home directory of flag03 and take note of the files there. There is a crontab that is called every couple of minutes. To do this level, log in as the level03 account with the password level03. Files for this level can be found in /home/flag...
This level requires you to read the token file, but the code restricts the files that can be read. Find a way to bypass it. To do this level, log in as the level04 account with the password level04. Files for this level can be found in /home/flag04. ...
Check the flag05 home directory. You are looking for weak directory permissions. To do this level, log in as the level05 account with the password level05. Files for this level can be found in /home/flag05. Source code There is no source code availa...
