CVE-2024-54116
📋 TL;DR
An out-of-bounds read vulnerability in the M3U8 module could allow attackers to read memory beyond allocated buffers. This affects systems using Huawei products with vulnerable M3U8 parsing functionality, potentially causing application crashes or information disclosure.
💻 Affected Systems
- Huawei products with M3U8 module
📦 What is this software?
Harmonyos by Huawei
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution or sensitive information disclosure through memory manipulation
Likely Case
Application crash or denial of service due to invalid memory access
If Mitigated
Limited impact with proper memory protections and exploit mitigations
🎯 Exploit Status
Out-of-bounds reads typically require specific conditions to be weaponized; CVSS 4.3 suggests moderate exploit difficulty
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Huawei December 2024 security bulletin
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2024/12/
Restart Required: Yes
Instructions:
1. Review Huawei security bulletin for affected products. 2. Apply recommended patches from Huawei. 3. Restart affected services or systems.
🔧 Temporary Workarounds
Disable M3U8 processing
allTemporarily disable M3U8 playlist parsing functionality
Product-specific configuration required
Input validation
allImplement strict validation of M3U8 file inputs
Implement file validation in application code
🧯 If You Can't Patch
- Implement network segmentation to isolate affected systems
- Deploy memory protection mechanisms (ASLR, DEP) if not already enabled
🔍 How to Verify
Check if Vulnerable:
Check Huawei product version against security bulletinCheck Version:
Product-specific version check commandVerify Fix Applied:
Verify patch installation and version update📡 Detection & Monitoring
Log Indicators:
- Application crashes
- Memory access violation errors
- Unexpected process termination
Network Indicators:
- Unusual M3U8 file transfers
- Malformed playlist requests
SIEM Query:
Search for process crashes related to media parsing or M3U8 handling