CVE-2024-50664
📋 TL;DR
This vulnerability is a heap buffer overflow in gpac's MP4Box tool that occurs when processing specially crafted MP4 files. Attackers could exploit this to execute arbitrary code or cause denial of service. Users of gpac 2.4 who process untrusted media files are affected.
💻 Affected Systems
- gpac
- MP4Box
📦 What is this software?
Gpac by Gpac
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise if exploited successfully.
Likely Case
Application crash (denial of service) when processing malicious MP4 files.
If Mitigated
Limited impact if proper input validation and sandboxing are implemented.
🎯 Exploit Status
Exploitation requires crafting a malicious MP4 file and convincing a user to process it.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: gpac 2.5 or later
Vendor Advisory: https://github.com/gpac/gpac/issues/2988
Restart Required: No
Instructions:
1. Update gpac to version 2.5 or later. 2. Recompile from source if using custom builds. 3. Verify the fix by checking the version.
🔧 Temporary Workarounds
Input validation
allImplement strict input validation for MP4 files before processing with gpac.
🧯 If You Can't Patch
- Restrict gpac/MP4Box usage to trusted users only.
- Implement sandboxing or containerization for media processing workflows.
🔍 How to Verify
Check if Vulnerable:
Check gpac version with 'gpac -version' or 'MP4Box -version' and verify if it's 2.4.
Check Version:
gpac -version
Verify Fix Applied:
Update to gpac 2.5+ and confirm version with 'gpac -version'.
📡 Detection & Monitoring
Log Indicators:
- Application crashes of gpac/MP4Box
- Segmentation fault errors in system logs
Network Indicators:
- Unusual MP4 file uploads to media processing services
SIEM Query:
source="*gpac*" OR source="*MP4Box*" AND ("segmentation fault" OR "heap overflow" OR "crash")