Proving Grounds Writeups

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Intermediate Linux

Ochima Writeup - Proving Grounds

Intermediate Linux box exploiting CVE-2023-27163, an unauthenticated command injection in Maltrail's login endpoint, then escalating to root through a world-writable backup script run by cron.

command-injection maltrail privilege-escalation cron-abuse +1

The Husky Hacker • Oct 8, 2026 • 2 min read

Other platforms

HackTheBox 92 TryHackMe 10 All writeups