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#linux

5 writeups tagged linux.

Shocker easy featured
A CGI shell script backed by a vulnerable Bash lets a crafted HTTP header trigger Shellshock (CVE-2014-6271) for RCE. Privesc via a passwordless sudo rule on perl, one GTFOBins command to root.
linuxwebcgishellshockcve-2014-6271sudogtfobinsprivesc
01 Jul 2026
HTB
Kobold easy featured
A wildcard TLS certificate leaks a subdomain running MCPJam Inspector v1.4.2, whose /api/mcp/connect endpoint executes attacker-supplied commands with no authentication. Privesc via docker group membership: reactivated with newgrp, then a container mount of the host filesystem to root.
linuxwebsubdomain-enumerationMCPCVE-2026-23744dockerprivesc
15 Mar 2026
HTB
CCTV easy featured
Default credentials on an exposed ZoneMinder console lead to a blind SQL injection (CVE-2024-51482) that dumps a crackable hash for SSH. Root comes from a loopback-bound motionEye reached over an SSH tunnel, where a filename field is passed unsanitised to a Motion daemon running as root (CVE-2025-60787).
linuxwebzonemindersqliCVE-2024-51482motioneyeCVE-2025-60787ssh-tunnelingcommand-injection
07 Mar 2026
HTB
Gavel medium
Linux web box: exposed .git repo leaks PHP source revealing a SQLi, admin panel RCE via PHP rule engine, then privesc by abusing a root-run auction daemon that executes YAML-defined PHP rules.
linuxwebsqligit-dumperphprceyamlsuidprivesc
12 Oct 2025
HTB
Expressway easy
Linux box with IKE/ISAKMP on UDP/500: crack the PSK with psk-crack, SSH in, then exploit a vulnerable sudo version (CVE-2025-32463) to root.
linuxikevpnpsk-cracksshCVE-2025-32463sudoprivesc
22 Sept 2025
HTB
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