CVE-2024-41366
📋 TL;DR
CVE-2024-41366 is a critical remote code execution vulnerability in RPi-Jukebox-RFID version 2.7.0 that allows attackers to execute arbitrary code on affected systems via the htdocs/userScripts.php file. This affects all users running the vulnerable version of this open-source jukebox software for Raspberry Pi. Successful exploitation could lead to complete system compromise.
💻 Affected Systems
- RPi-Jukebox-RFID
📦 What is this software?
Phoniebox by Sourcefabric
⚠️ Risk & Real-World Impact
Worst Case
Complete system takeover with root privileges, installation of persistent backdoors, data theft, and use as pivot point for network attacks.
Likely Case
Unauthorized access to the Raspberry Pi system, manipulation of jukebox functionality, and potential data exfiltration.
If Mitigated
Limited impact if system is isolated from internet and internal networks with strict access controls.
🎯 Exploit Status
The vulnerability is in userScripts.php which appears to allow arbitrary code execution. Public GitHub issue demonstrates the vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 2.7.1 or later
Vendor Advisory: https://github.com/MiczFlor/RPi-Jukebox-RFID/issues/2399
Restart Required: No
Instructions:
1. Backup your current installation. 2. Update to version 2.7.1 or later via git pull or fresh installation. 3. Verify the userScripts.php file has been properly secured.
🔧 Temporary Workarounds
Disable or remove userScripts.php
linuxTemporarily disable the vulnerable component by removing or restricting access to the userScripts.php file.
sudo rm /var/www/html/htdocs/userScripts.php
sudo chmod 000 /var/www/html/htdocs/userScripts.php
Restrict network access
linuxConfigure firewall rules to limit access to the jukebox web interface.
sudo ufw deny 80/tcp
sudo ufw deny 443/tcp
sudo ufw allow from 192.168.1.0/24 to any port 80
🧯 If You Can't Patch
- Isolate the Raspberry Pi from internet and restrict internal network access using firewall rules.
- Implement strict access controls and monitor for any unauthorized access attempts to the web interface.
🔍 How to Verify
Check if Vulnerable:
Check if version 2.7.0 is installed and if userScripts.php exists in htdocs directory with insecure permissions.Check Version:
cd /path/to/RPi-Jukebox-RFID && git describe --tagsVerify Fix Applied:
Verify installation of version 2.7.1 or later, and ensure userScripts.php has proper input validation and security controls.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /htdocs/userScripts.php
- Suspicious commands in web server logs
- Unexpected system processes spawned from web user
Network Indicators:
- Unusual outbound connections from Raspberry Pi
- Traffic to unexpected ports from the jukebox system
SIEM Query:
source="apache_access" AND uri="/htdocs/userScripts.php" AND (method="POST" OR status>=400)