CVE-2020-1804
📋 TL;DR
This vulnerability in Huawei Honor V10 smartphones allows out-of-bounds read in a driver program due to insufficient parameter validation. Successful exploitation could lead to information disclosure or service disruption. Only affects Huawei Honor V10 smartphones running versions earlier than 10.0.0.156(C00E156R2P4).
💻 Affected Systems
- Huawei Honor V10 smartphone
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Sensitive information disclosure from kernel memory leading to privilege escalation or complete device compromise
Likely Case
Information leakage causing privacy violations or application/service crashes
If Mitigated
Limited impact due to patch availability and device-specific nature
🎯 Exploit Status
Requires local access to device and driver interaction; part of a trio of similar vulnerabilities
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 10.0.0.156(C00E156R2P4) or later
Vendor Advisory: https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200422-02-smartphone-en
Restart Required: Yes
Instructions:
1. Check current version in Settings > About phone > Software version. 2. If version is earlier than 10.0.0.156(C00E156R2P4), go to Settings > System & updates > Software update. 3. Download and install available updates. 4. Restart device after update completes.
🔧 Temporary Workarounds
Restrict physical access
allLimit physical access to vulnerable devices to prevent local exploitation
Disable unnecessary drivers
androidDisable or restrict access to vulnerable driver if possible (requires root access)
🧯 If You Can't Patch
- Isolate vulnerable devices from sensitive networks and data
- Implement strict physical security controls and device usage policies
🔍 How to Verify
Check if Vulnerable:
Navigate to Settings > About phone > Software version and check if version is earlier than 10.0.0.156(C00E156R2P4)Check Version:
adb shell getprop ro.build.version.incrementalVerify Fix Applied:
After update, verify version is 10.0.0.156(C00E156R2P4) or later in Settings > About phone > Software version📡 Detection & Monitoring
Log Indicators:
- Kernel panic logs
- Driver crash reports
- Memory access violation logs
Network Indicators:
- No network indicators - local vulnerability only
SIEM Query:
Device logs showing kernel or driver crashes on Huawei Honor V10 devices