CVE-2024-42779
📋 TL;DR
An unrestricted file upload vulnerability in Kashipara Music Management System v1.0 allows attackers to upload malicious PHP files via the /music/ajax.php endpoint. This enables remote code execution on the web server, potentially compromising the entire system. All deployments of version 1.0 are affected.
💻 Affected Systems
- Kashipara Music Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete server takeover with attacker gaining full control over the web server, accessing sensitive data, and using the system as a foothold for lateral movement.
Likely Case
Webshell deployment leading to data theft, defacement, or cryptocurrency mining malware installation.
If Mitigated
Attack blocked at web application firewall level with no file uploads reaching vulnerable endpoint.
🎯 Exploit Status
Simple HTTP POST request with crafted PHP file upload to vulnerable endpoint.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Consider migrating to alternative software or implementing workarounds.
🔧 Temporary Workarounds
File Upload Restriction
allImplement server-side validation to restrict file uploads to allowed extensions only
Modify /music/ajax.php to validate file extensions before saving
Web Application Firewall Rule
allBlock requests to vulnerable endpoint or restrict file uploads
WAF rule: deny POST requests to /music/ajax.php?action=save_music with file uploads
🧯 If You Can't Patch
- Disable the /music/ajax.php endpoint entirely via web server configuration
- Implement strict file upload validation and store uploaded files outside web root
🔍 How to Verify
Check if Vulnerable:
Attempt to upload a PHP file to /music/ajax.php?action=save_music and check if it's saved with .php extensionCheck Version:
Check project files for version information or review source code commentsVerify Fix Applied:
Verify uploaded PHP files are rejected or saved with safe extensions only📡 Detection & Monitoring
Log Indicators:
- Multiple POST requests to /music/ajax.php with file uploads
- Unusual file creations in upload directories
Network Indicators:
- HTTP POST requests to vulnerable endpoint with file uploads
- Subsequent requests to uploaded PHP files
SIEM Query:
source="web_server" AND (url="/music/ajax.php" AND method="POST" AND file_upload="true")