CVE-2024-36502
📋 TL;DR
An out-of-bounds read vulnerability in Huawei audio modules could allow attackers to cause denial of service conditions. This affects Huawei consumer devices with vulnerable audio components. The vulnerability impacts availability but not confidentiality or integrity.
💻 Affected Systems
- Huawei consumer devices with vulnerable audio modules
📦 What is this software?
Emui by Huawei
Emui by Huawei
Emui by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
⚠️ Risk & Real-World Impact
Worst Case
Complete system crash or audio service failure requiring device restart
Likely Case
Audio functionality disruption or application crashes affecting media playback
If Mitigated
Limited impact with proper input validation and memory protections
🎯 Exploit Status
Requires specific conditions to trigger the out-of-bounds read
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Refer to Huawei security bulletins for specific patched versions
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2024/6/
Restart Required: Yes
Instructions:
1. Check Huawei security bulletin for affected devices 2. Apply latest security updates via device settings 3. Reboot device after update completion
🔧 Temporary Workarounds
Disable unnecessary audio services
allReduce attack surface by disabling unused audio features
Application sandboxing
allRestrict third-party app permissions to audio services
🧯 If You Can't Patch
- Isolate affected devices from untrusted networks
- Implement strict application whitelisting policies
🔍 How to Verify
Check if Vulnerable:
Check device model and software version against Huawei security bulletinsCheck Version:
Settings > About phone > Software informationVerify Fix Applied:
Verify software version matches patched versions in Huawei advisories📡 Detection & Monitoring
Log Indicators:
- Audio service crashes
- Memory access violation logs
- Unexpected audio module restarts
Network Indicators:
- None - local vulnerability
SIEM Query:
Event logs containing audio service failures or memory access errors