CVE-2023-44096
📋 TL;DR
This vulnerability allows attackers to perform brute-force attacks against device authentication modules, potentially compromising service confidentiality. It affects Huawei devices running HarmonyOS with vulnerable authentication implementations. Successful exploitation could allow unauthorized access to protected services.
💻 Affected Systems
- Huawei devices with HarmonyOS
📦 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 compromise of device authentication leading to unauthorized access to all protected services and potential data exfiltration.
Likely Case
Unauthorized access to specific services or functions due to weak authentication bypass.
If Mitigated
Failed authentication attempts logged with no successful compromise due to rate limiting and strong authentication controls.
🎯 Exploit Status
Brute-force attacks typically require no authentication and can be automated with simple tools.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: As specified in Huawei security bulletins for October 2023
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2023/10/
Restart Required: Yes
Instructions:
1. Check Huawei security bulletins for affected devices. 2. Apply the latest security updates via device settings or OTA updates. 3. Restart device after update completion.
🔧 Temporary Workarounds
Implement Rate Limiting
allConfigure authentication systems to limit failed login attempts per time period
Enable Account Lockout
allConfigure temporary account lockout after multiple failed authentication attempts
🧯 If You Can't Patch
- Implement network segmentation to isolate vulnerable devices
- Deploy additional authentication factors (MFA/2FA) where possible
🔍 How to Verify
Check if Vulnerable:
Check device HarmonyOS version against Huawei security bulletins for October 2023Check Version:
Check device settings > About phone > HarmonyOS versionVerify Fix Applied:
Verify HarmonyOS version matches or exceeds patched version from security bulletins📡 Detection & Monitoring
Log Indicators:
- Multiple failed authentication attempts from single source
- Authentication logs showing pattern of brute-force attempts
Network Indicators:
- High volume of authentication requests to device ports
- Repeated connection attempts to authentication endpoints
SIEM Query:
source="device_auth_logs" AND (event_type="auth_failure" COUNT > 10 WITHIN 5min)🔗 References
- https://consumer.huawei.com/en/support/bulletin/2023/10/
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-202310-0000001663676540
- https://consumer.huawei.com/en/support/bulletin/2023/10/
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-202310-0000001663676540
