CVE-2023-52376
📋 TL;DR
This CVE describes an information management vulnerability in Huawei's Gallery module that could allow unauthorized access to sensitive information. Successful exploitation affects service confidentiality, potentially exposing user data. Affected systems include Huawei devices running HarmonyOS with vulnerable Gallery versions.
💻 Affected Systems
- Huawei devices with Gallery module
📦 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 compromise of user gallery data including private photos, videos, and metadata, potentially leading to privacy violations and data theft.
Likely Case
Unauthorized access to some gallery content or metadata, exposing personal photos and information to attackers.
If Mitigated
Limited or no data exposure due to proper access controls and network segmentation.
🎯 Exploit Status
Exploitation likely requires some level of access or interaction with the Gallery module. No public exploit code identified at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Huawei security bulletins for specific patched versions
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2024/2/
Restart Required: Yes
Instructions:
1. Check device HarmonyOS version. 2. Navigate to Settings > System & updates > Software update. 3. Download and install available security updates. 4. Restart device after update completes.
🔧 Temporary Workarounds
Disable Gallery app permissions
allRestrict Gallery app permissions to limit potential data exposure
Settings > Apps > Gallery > Permissions > Disable unnecessary permissions
Network segmentation
allIsolate affected devices from untrusted networks
🧯 If You Can't Patch
- Disable or restrict Gallery app functionality
- Implement strict network access controls and monitor for suspicious Gallery activity
🔍 How to Verify
Check if Vulnerable:
Check HarmonyOS version in Settings > About phone > HarmonyOS version and compare with vulnerable versions in Huawei security bulletinsCheck Version:
Settings > About phone > HarmonyOS versionVerify Fix Applied:
Verify HarmonyOS version is updated to patched version specified in Huawei security bulletins📡 Detection & Monitoring
Log Indicators:
- Unusual Gallery app access patterns
- Multiple failed access attempts to Gallery data
- Unexpected Gallery process activity
Network Indicators:
- Suspicious network traffic from Gallery app
- Unexpected data exfiltration from device
SIEM Query:
device.app="Gallery" AND (event.action="unauthorized_access" OR event.action="data_access")🔗 References
- https://consumer.huawei.com/en/support/bulletin/2024/2/
- https://device.harmonyos.com/cn/docs/security/update/security-bulletins-202402-0000001834855405
- https://consumer.huawei.com/en/support/bulletin/2024/2/
- https://device.harmonyos.com/cn/docs/security/update/security-bulletins-202402-0000001834855405
