CVE-2024-41367 in RPi-Jukebox-RFID
Summary
by MITRE • 08/29/2024
RPi-Jukebox-RFID v2.7.0 was discovered to contain a remote code execution (RCE) vulnerability via htdocs\api\playlist\appendFileToPlaylist.php
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Analysis
by VulDB Data Team • 09/05/2024
The vulnerability identified as CVE-2024-41367 affects RPi-Jukebox-RFID version 2.7.0 and represents a critical remote code execution flaw that can be exploited by attackers to gain unauthorized control over affected systems. This vulnerability specifically resides within the htdocs/pi/playlist/appendFileToPlaylist.php endpoint, which is part of the web interface designed for managing playlist operations in the Raspberry Pi jukebox system. The affected software serves as a media playback solution that allows users to control audio playback through RFID tags and web interfaces, making it a potential target for attackers seeking to compromise audio systems in homes, businesses, or public venues.
The technical implementation of this vulnerability stems from insufficient input validation and sanitization within the appendFileToPlaylist.php script. When users submit playlist modifications through the web interface, the application fails to properly validate or sanitize the file path parameters that are passed to the system. This allows an attacker to inject malicious commands that can be executed with the privileges of the web server process, potentially enabling full system compromise. The flaw aligns with CWE-94, which describes improper control of generation of code, and represents a classic example of a command injection vulnerability that can be exploited to execute arbitrary code on the target system.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it enables attackers to execute arbitrary commands on the affected Raspberry Pi systems. This could result in complete system compromise, allowing attackers to install malware, exfiltrate data, modify audio playlists, or even use the compromised device as a pivot point for attacking other systems on the network. The vulnerability is particularly concerning because it affects a system that is often deployed in public spaces where physical access is limited, making remote exploitation more feasible. Attackers could potentially use this vulnerability to disrupt audio services, inject malicious content into playlists, or establish persistent backdoors on the affected systems. The attack surface is further expanded when considering that many of these jukebox systems are connected to local networks and may have access to additional resources.
Security practitioners should immediately implement mitigations including updating to the latest version of RPi-Jukebox-RFID where the vulnerability has been patched, applying input validation controls to all user-supplied parameters, and implementing network segmentation to limit access to the affected web interface. Organizations should also consider implementing web application firewalls to monitor and block suspicious requests to the vulnerable endpoint, and conduct thorough network scans to identify all affected systems. The vulnerability demonstrates the importance of proper input validation and the principle of least privilege in web application development, as highlighted by ATT&CK technique T1059.007 for command and script injection. Additionally, system administrators should review and restrict file permissions on the web server to prevent unauthorized file operations and implement monitoring solutions to detect unusual system behavior that might indicate exploitation attempts.