Check Writable Files and Directories
privesclinuxchecklist
Summary
Writable scripts, configs, or directories in a root-run path are common escalation vectors.
Walkthrough
Look for files and directories your user can write to that are used by privileged processes.
Commands
bash
find / -type f -writable -user www-data 2>/dev/null
bash
find / -writable -type d 2>/dev/null