CVE-2024-30415
📋 TL;DR
This CVE describes an improper permission control vulnerability in the window management module of Huawei/HarmonyOS devices. Successful exploitation allows attackers to affect system availability, potentially causing denial-of-service conditions. This affects Huawei smartphones and other devices running vulnerable HarmonyOS versions.
💻 Affected Systems
- Huawei smartphones
- HarmonyOS devices
📦 What is this software?
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 unavailability or crash, rendering the device unusable until reboot or recovery.
Likely Case
Application crashes, system instability, or temporary denial-of-service affecting specific functions.
If Mitigated
Minimal impact with proper access controls and patching in place.
🎯 Exploit Status
Requires local access or malicious app installation. No public exploit code known at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: As specified in Huawei security bulletins for April 2024
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2024/4/
Restart Required: Yes
Instructions:
1. Check for system updates in device settings. 2. Install the latest security update from Huawei. 3. Reboot device after installation.
🔧 Temporary Workarounds
Restrict app installations
allOnly install apps from trusted sources like official app stores
Review app permissions
allRegularly review and restrict unnecessary app permissions
🧯 If You Can't Patch
- Implement strict application whitelisting policies
- Monitor for unusual system behavior or crashes
🔍 How to Verify
Check if Vulnerable:
Check device HarmonyOS version in Settings > About phone > HarmonyOS versionCheck Version:
Settings > About phone > HarmonyOS versionVerify Fix Applied:
Verify installed security patch level includes April 2024 updates📡 Detection & Monitoring
Log Indicators:
- Unexpected system crashes
- Window management service errors
- Permission denial logs
Network Indicators:
- No direct network indicators - local exploitation
SIEM Query:
Look for patterns of system instability or permission errors in device logs🔗 References
- https://consumer.huawei.com/en/support/bulletin/2024/4/
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-202404-0000001880501689
- https://consumer.huawei.com/en/support/bulletin/2024/4/
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-202404-0000001880501689
