CVE-2021-40032
📋 TL;DR
This vulnerability in Huawei's bone voice ID TA (Trusted Application) allows unauthorized access to sensitive information due to improper information management. It affects Huawei devices running HarmonyOS with the vulnerable component. Successful exploitation could compromise data confidentiality.
💻 Affected Systems
- Huawei devices with bone voice ID TA
📦 What is this software?
Harmonyos by Huawei
⚠️ Risk & Real-World Impact
Worst Case
Attackers could access sensitive voice identification data, biometric information, or other protected data managed by the TA, potentially leading to identity theft or privacy violations.
Likely Case
Local attackers with some level of access could extract sensitive information from the vulnerable TA component, compromising user privacy.
If Mitigated
With proper access controls and isolation, the impact would be limited to the specific TA component with minimal data exposure.
🎯 Exploit Status
Requires some level of access to the device. No public exploit details available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: HarmonyOS security updates from July 2023 and earlier
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2023/7/
Restart Required: Yes
Instructions:
1. Check for system updates in device settings. 2. Install the latest HarmonyOS security update. 3. Restart the device after installation.
🔧 Temporary Workarounds
Disable bone voice ID feature
allTurn off voice identification features if not needed
Restrict app permissions
allReview and restrict app permissions to limit access to sensitive components
🧯 If You Can't Patch
- Isolate affected devices from sensitive networks
- Implement strict access controls and monitoring for devices with the vulnerable component
🔍 How to Verify
Check if Vulnerable:
Check HarmonyOS version in Settings > About phone > HarmonyOS version. If version predates July 2023 security updates, device may be vulnerable.Check Version:
Settings > About phone > HarmonyOS versionVerify Fix Applied:
Verify HarmonyOS version includes July 2023 or later security updates. Check for 'Security patch level' in About phone settings.📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to TA components
- Failed authentication attempts to secure components
Network Indicators:
- Not applicable - local vulnerability
SIEM Query:
Not applicable - local component vulnerability🔗 References
- https://consumer.huawei.com/en/support/bulletin/2023/7/
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-202201-0000001238736331
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-202307-0000001587168858
- https://consumer.huawei.com/en/support/bulletin/2023/7/
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-202201-0000001238736331
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-202307-0000001587168858
