Dictionary Traversal

• .
• ..
• ../..
• /etc/passwd

$ ls .

total 332
drwxr-xr-x 4 root root   4096 Jan  9  2018 bootstrap
-rw-r--r-- 1 root root 293424 Jan  9  2018 cat-flag.png
-rw-r--r-- 1 root root   1163 Jan  9  2018 cmd.php
drwxr-xr-x 2 root root   4096 Jan  9  2018 comic-neue
-rw-r--r-- 1 root root    612 Jan 19  2018 index.nginx-debian.html
-rw-r--r-- 1 root root   2201 Jan  9  2018 index.php
-rw-r--r-- 1 root root    515 Jan  9  2018 ls.php
-rw-r--r-- 1 root root    658 Jan 19  2018 man.php
-rw-r--r-- 1 root root    588 Jan  9  2018 untar.php
-rw-r--r-- 1 root root  11829 Jan  9  2018 windows-run.jpg