CVE-2024-56447

7.8 HIGH

📋 TL;DR

This vulnerability involves improper permission control in the window management module, allowing unauthorized access to sensitive information. It affects Huawei devices and services where this module is present. Successful exploitation could compromise service confidentiality.

💻 Affected Systems

Products:
  • Huawei devices with window management module
Versions: Specific versions not detailed in reference; check Huawei advisory
Operating Systems: HarmonyOS, Android-based Huawei systems
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability exists in default configurations of affected Huawei products.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Unauthorized actors gain access to sensitive window management data, potentially exposing confidential service information or user data.

🟠

Likely Case

Local attackers or malicious applications bypass permission controls to access restricted window management functions, leading to information disclosure.

🟢

If Mitigated

With proper access controls and least privilege principles, impact is limited to non-sensitive functions or prevented entirely.

🌐 Internet-Facing: LOW
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation likely requires local access or malicious application installation.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check Huawei security bulletin for specific patched versions

Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2025/1/

Restart Required: No

Instructions:

1. Visit Huawei security advisory. 2. Identify affected product and version. 3. Apply recommended security update. 4. Verify patch installation.

🔧 Temporary Workarounds

Restrict application permissions

all

Limit window management permissions to trusted applications only

🧯 If You Can't Patch

  • Implement strict application whitelisting to prevent unauthorized apps from accessing window management functions
  • Deploy endpoint detection and response (EDR) solutions to monitor for suspicious permission escalation attempts

🔍 How to Verify

Check if Vulnerable:

Check device version against Huawei security bulletin; examine application permission settings for window management access

Check Version:

Settings > About Phone > Version Information (specific command varies by device)

Verify Fix Applied:

Verify installed security patch version matches or exceeds Huawei's recommended version

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized permission requests for window management functions
  • Unexpected access to window management APIs

Network Indicators:

  • Unusual local inter-process communication related to window services

SIEM Query:

source="device_logs" AND (event_type="permission_violation" OR api_call="window_management")

🔗 References

📤 Share & Export