CVE-2023-52374
📋 TL;DR
This CVE describes a permission control vulnerability in the package management module of Huawei/HarmonyOS systems. Successful exploitation could allow unauthorized access to sensitive information, affecting service confidentiality. The vulnerability impacts Huawei devices running affected HarmonyOS versions.
💻 Affected Systems
- Huawei devices with HarmonyOS
📦 What is this software?
Emui by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
⚠️ Risk & Real-World Impact
Worst Case
An attacker could gain unauthorized access to sensitive system packages, potentially leading to information disclosure, privilege escalation, or compromise of system integrity.
Likely Case
Unauthorized access to package management functions could allow attackers to view or manipulate software packages, potentially leading to information disclosure or limited system manipulation.
If Mitigated
With proper access controls and network segmentation, the impact would be limited to isolated systems with minimal sensitive data exposure.
🎯 Exploit Status
Exploitation likely requires some level of access to the system; CWE-863 indicates incorrect authorization issues
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Huawei security bulletins for specific patched versions
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2024/2/
Restart Required: Yes
Instructions:
1. Check Huawei security bulletins for your specific device model. 2. Apply the latest security updates through official channels. 3. Reboot the device after update installation.
🔧 Temporary Workarounds
Restrict Package Management Access
allLimit access to package management functions to authorized users only
Network Segmentation
allIsolate affected devices from sensitive networks and systems
🧯 If You Can't Patch
- Implement strict access controls and least privilege principles for all users
- Monitor package management activities and audit logs for suspicious behavior
🔍 How to Verify
Check if Vulnerable:
Check device HarmonyOS version against Huawei's security bulletins for affected versionsCheck Version:
Check device settings > About phone > HarmonyOS versionVerify Fix Applied:
Verify that the HarmonyOS version has been updated to a version listed as patched in Huawei security advisories📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to package management functions
- Unusual package installation or modification activities
Network Indicators:
- Unexpected network traffic to/from package management services
SIEM Query:
Search for package management events from unauthorized users or unusual time periods🔗 References
- https://consumer.huawei.com/en/support/bulletin/2024/2/
- https://https://device.harmonyos.com/cn/docs/security/update/security-bulletins-202402-0000001834855405
- https://consumer.huawei.com/en/support/bulletin/2024/2/
- https://https://device.harmonyos.com/cn/docs/security/update/security-bulletins-202402-0000001834855405
