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[>_] ROOM · Cybersecurity
Linux Privilege Escalation
Master Linux privilege escalation techniques including SUID/SGID abuse, cron job exploitation, kernel exploits, and automated enumeration to achieve root.
Room tasks
1Understanding Privilege Escalation
2LinPEAS — Automated Enumeration Walkthrough
3SUID/SGID Binary Exploitation
4Cron Job & Path Misconfiguration Abuse
5Kernel Exploits — When & How to Use Them
6Guided Lab: Full Root Walkthrough
Frequently Asked Questions
What is Linux privilege escalation?
It means gaining higher privileges, usually root, from a limited account. Attackers exploit misconfigured permissions, vulnerable software, scheduled tasks, or kernel bugs to get there.
Why are SUID binaries risky?
A SUID binary runs with its owner's privileges, often root. If it can spawn a shell or read arbitrary files, an attacker can abuse it to gain root. Auditing SUID files is a standard enumeration step.
How does cron enable privilege escalation?
If a root cron job runs a script or relies on a path that a normal user can modify, the attacker can insert commands that run as root. This free Codelivly room covers detecting and exploiting it.