CVE-2024-5464
📋 TL;DR
This vulnerability in Huawei's NearLink module allows unauthorized access to sensitive information due to insufficient permission verification. It affects Huawei devices using the vulnerable NearLink module. Attackers could potentially access confidential service data without proper authentication.
💻 Affected Systems
- Huawei devices with NearLink module
📦 What is this software?
Emui by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
⚠️ Risk & Real-World Impact
Worst Case
Unauthorized access to confidential service data, potentially exposing sensitive information or allowing service disruption.
Likely Case
Limited information disclosure affecting specific NearLink services, potentially exposing configuration or operational data.
If Mitigated
Minimal impact with proper network segmentation and access controls limiting NearLink module exposure.
🎯 Exploit Status
Exploitation requires some level of access to the device or network; no public exploit code available
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Huawei security bulletins for specific patched versions
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2024/6/
Restart Required: Yes
Instructions:
1. Check Huawei security bulletin for affected devices. 2. Apply latest security updates from Huawei. 3. Restart device after update. 4. Verify update applied successfully.
🔧 Temporary Workarounds
Disable NearLink if not needed
allTurn off NearLink functionality to eliminate attack surface
Settings > More connections > NearLink > Turn off
Network segmentation
allIsolate devices with NearLink from sensitive networks
🧯 If You Can't Patch
- Implement strict network access controls to limit NearLink module exposure
- Monitor for unusual NearLink activity and implement additional authentication layers
🔍 How to Verify
Check if Vulnerable:
Check device settings for NearLink version and compare with Huawei security bulletinsCheck Version:
Settings > About phone > Build number (check for security patch level)Verify Fix Applied:
Verify security update installation and check NearLink version against patched versions in advisory📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to NearLink services
- Unexpected permission requests for NearLink
Network Indicators:
- Unusual NearLink protocol traffic patterns
- Unauthorized device connections via NearLink
SIEM Query:
source="huawei_device" AND (event="nearlink_access" OR event="permission_violation")