CVE-2024-45446
📋 TL;DR
This vulnerability allows attackers to bypass access permission checks in the camera driver module, potentially causing denial of service. It affects Huawei devices with vulnerable camera drivers. The impact is primarily on device availability rather than data confidentiality or integrity.
💻 Affected Systems
- Huawei smartphones and tablets with vulnerable camera drivers
📦 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
Harmonyos by Huawei
⚠️ Risk & Real-World Impact
Worst Case
Complete camera subsystem failure rendering device camera unusable, potentially affecting other system functions that depend on camera services.
Likely Case
Temporary camera malfunction or crash requiring device restart to restore functionality.
If Mitigated
Minimal impact with proper access controls and monitoring in place.
🎯 Exploit Status
Exploitation likely requires local access or malicious app installation with camera permissions.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Huawei security bulletin for specific fixed versions per device model
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2024/9/
Restart Required: Yes
Instructions:
1. Check Huawei security advisory for your device model. 2. Install latest security update via Settings > System & updates > Software update. 3. Restart device after update completes.
🔧 Temporary Workarounds
Restrict camera permissions
androidLimit which apps have camera access to reduce attack surface
Disable unnecessary camera features
androidTurn off camera services when not in use
🧯 If You Can't Patch
- Implement strict app installation policies to prevent malicious apps
- Monitor for unusual camera activity or crashes in system logs
🔍 How to Verify
Check if Vulnerable:
Check device model and software version against Huawei security advisory listCheck Version:
Settings > About phone > Build number / Software versionVerify Fix Applied:
Verify software version after update matches or exceeds patched version in advisory📡 Detection & Monitoring
Log Indicators:
- Camera service crashes
- Permission denial errors in camera logs
- Unexpected camera driver activity
Network Indicators:
- None - local driver vulnerability
SIEM Query:
Look for camera service failures or permission errors in Android system logs