CVE-2024-51528
📋 TL;DR
This vulnerability involves improper log printing in Huawei's Super Home Screen module, potentially exposing sensitive information in log files. It affects Huawei devices running the vulnerable software. The impact is limited to confidentiality of logged data.
💻 Affected Systems
- Huawei devices with Super Home Screen module
📦 What is this software?
Emui by Huawei
Emui by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
⚠️ Risk & Real-World Impact
Worst Case
Sensitive information such as user credentials, personal data, or system details could be exposed in log files accessible to attackers.
Likely Case
Limited exposure of non-critical system information or user activity data in logs.
If Mitigated
No data exposure if proper log sanitization and access controls are implemented.
🎯 Exploit Status
Exploitation requires existing access to system logs; not a remote code execution vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Huawei security bulletin for specific patched versions
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2024/11/
Restart Required: Yes
Instructions:
1. Check Huawei security advisory for affected device models. 2. Update device firmware through official Huawei update channels. 3. Restart device after update.
🔧 Temporary Workarounds
Restrict log file access
linuxLimit read permissions on system log files to prevent unauthorized access
chmod 640 /path/to/log/files/*.log
chown root:root /path/to/log/files/*.log
Disable verbose logging
allReduce logging verbosity to minimize sensitive data exposure
Set log level to WARNING or ERROR in application configuration
🧯 If You Can't Patch
- Implement strict access controls on log directories and files
- Regularly audit and sanitize log files for sensitive information
🔍 How to Verify
Check if Vulnerable:
Check device firmware version against Huawei security advisory; examine if Super Home Screen module logs contain sensitive dataCheck Version:
Settings > About Phone > Software Information (on Huawei devices)Verify Fix Applied:
Verify firmware version is updated to patched version; confirm log files no longer contain sensitive information📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to log files
- Log entries containing sensitive data patterns
Network Indicators:
- Not applicable - local file access vulnerability
SIEM Query:
source="system_logs" AND (event_type="file_access" AND file_path="*/log/*") AND user!="authorized_user"