CVE-2024-47290
📋 TL;DR
An input validation vulnerability in the USB service module could allow attackers to cause denial of service conditions. This affects Huawei devices with vulnerable USB service implementations. The vulnerability impacts availability but does not typically lead to data theft or remote code execution.
💻 Affected Systems
- Huawei devices with USB service modules
📦 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
⚠️ Risk & Real-World Impact
Worst Case
Complete system crash or unresponsive USB services requiring device reboot
Likely Case
Temporary USB service disruption affecting connected peripherals
If Mitigated
Minimal impact with proper input validation and service isolation
🎯 Exploit Status
Exploitation requires sending malformed input to USB service, likely requiring local access or compromised adjacent system
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Huawei security bulletin for specific patched versions
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2024/10/
Restart Required: Yes
Instructions:
1. Check Huawei security advisory for affected devices. 2. Apply latest security updates from Huawei. 3. Reboot device after update installation.
🔧 Temporary Workarounds
Disable unnecessary USB services
allReduce attack surface by disabling USB services not required for operation
adb shell pm disable com.huawei.usbservice
systemctl stop usb-service
Restrict USB access permissions
linuxLimit which users/applications can access USB services
chmod 750 /dev/bus/usb/*
setenforce 1
🧯 If You Can't Patch
- Implement network segmentation to isolate devices with USB services
- Monitor USB service logs for abnormal input patterns
🔍 How to Verify
Check if Vulnerable:
Check device version against Huawei security advisory; examine USB service version if accessibleCheck Version:
adb shell getprop ro.build.version.security_patchVerify Fix Applied:
Verify security patch level after update; check USB service is running patched version📡 Detection & Monitoring
Log Indicators:
- USB service crash logs
- Abnormal USB input patterns
- Service restart events
Network Indicators:
- Unexpected USB enumeration attempts
- USB over IP anomalies
SIEM Query:
source="usb-service" AND (event="crash" OR event="restart")