Proving Grounds Writeups

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Intermediate Linux

PC Writeup - Proving Grounds

Intermediate Linux box where a browser-based ttyd terminal gives a low-privileged shell, then CVE-2022-35411, an insecure pickle deserialization in a local rpc.py service running as root, gives immediate root.

deserialization rpcpy privilege-escalation suid +1

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

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HackTheBox 92 TryHackMe 10 All writeups