CVE-2024-38382
📋 TL;DR
This vulnerability in OpenHarmony allows a local attacker to read memory beyond intended boundaries, potentially exposing sensitive information. It affects OpenHarmony v4.0.0 and earlier versions, impacting devices running these operating systems.
💻 Affected Systems
- OpenHarmony
📦 What is this software?
Openharmony by Openatom
Openharmony by Openatom
Openharmony by Openatom
Openharmony by Openatom
⚠️ Risk & Real-World Impact
Worst Case
An attacker could read sensitive kernel memory, potentially exposing cryptographic keys, authentication tokens, or other privileged information that could lead to further system compromise.
Likely Case
Information disclosure of non-critical system data or application memory, potentially revealing configuration details or limited user data.
If Mitigated
Minimal impact with proper access controls and isolation mechanisms in place, limiting the attacker's ability to access sensitive memory regions.
🎯 Exploit Status
Requires local access to the system. The vulnerability is an out-of-bounds read which typically requires more sophisticated exploitation than simple buffer overflows.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: OpenHarmony v4.0.1 or later
Vendor Advisory: https://gitee.com/openharmony/security/blob/master/zh/security-disclosure/2024/2024-09.md
Restart Required: Yes
Instructions:
1. Check current OpenHarmony version. 2. Update to OpenHarmony v4.0.1 or later via official update channels. 3. Reboot the system to apply the update.
🔧 Temporary Workarounds
Restrict local access
allLimit physical and remote local access to vulnerable systems to reduce attack surface
Application sandboxing
allImplement strict application isolation and sandboxing to limit what memory regions applications can access
🧯 If You Can't Patch
- Implement strict access controls to limit who has local access to vulnerable systems
- Monitor systems for unusual memory access patterns or information disclosure attempts
🔍 How to Verify
Check if Vulnerable:
Check OpenHarmony version: cat /etc/os-release or equivalent system version commandCheck Version:
cat /etc/os-release | grep VERSIONVerify Fix Applied:
Verify system is running OpenHarmony v4.0.1 or later using version check command📡 Detection & Monitoring
Log Indicators:
- Unusual memory access patterns
- Failed boundary check logs
- Kernel access violation warnings
Network Indicators:
- Not applicable - local vulnerability
SIEM Query:
Not applicable for network detection - focus on system logs for memory access violations