CVE-2024-39775
📋 TL;DR
CVE-2024-39775 is an out-of-bounds read vulnerability in OpenHarmony that allows remote attackers to cause information leaks. This affects OpenHarmony v4.1.0 and earlier versions, potentially exposing sensitive memory contents to unauthorized parties.
💻 Affected Systems
- OpenHarmony
📦 What is this software?
Openharmony by Openatom
⚠️ Risk & Real-World Impact
Worst Case
Remote attacker could leak sensitive information from memory, potentially exposing cryptographic keys, authentication tokens, or other confidential data.
Likely Case
Information disclosure leading to exposure of application data or system information that could facilitate further attacks.
If Mitigated
Limited information exposure with proper network segmentation and access controls in place.
🎯 Exploit Status
Remote exploitation is possible without authentication, but specific exploit details are not publicly available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: OpenHarmony v4.1.1 or later
Vendor Advisory: https://gitee.com/openharmony/security/blob/master/zh/security-disclosure/2024/2024-09.md
Restart Required: Yes
Instructions:
1. Update OpenHarmony to v4.1.1 or later. 2. Apply security patches from OpenHarmony security updates. 3. Restart affected systems to apply changes.
🔧 Temporary Workarounds
Network Segmentation
allRestrict network access to OpenHarmony systems to minimize exposure to potential attackers.
Access Control
allImplement strict access controls and authentication mechanisms for OpenHarmony services.
🧯 If You Can't Patch
- Isolate affected systems in a restricted network segment
- Implement additional monitoring and logging for suspicious memory access patterns
🔍 How to Verify
Check if Vulnerable:
Check OpenHarmony version: cat /etc/openharmony_version or equivalent system commandCheck Version:
cat /etc/openharmony_version || system_profiler SPSoftwareDataType | grep VersionVerify Fix Applied:
Verify version is v4.1.1 or later and check for applied security patches📡 Detection & Monitoring
Log Indicators:
- Unusual memory access patterns
- Failed boundary checks in system logs
- Unexpected process crashes
Network Indicators:
- Suspicious remote connections to OpenHarmony services
- Unusual network traffic patterns
SIEM Query:
source="openharmony" AND (event_type="memory_access" OR event_type="boundary_violation")