CVE-2024-36500

7.8 HIGH

📋 TL;DR

This CVE describes a privilege escalation vulnerability in Huawei's AMS module that allows attackers to gain elevated privileges on affected systems. Successful exploitation could compromise service confidentiality. Huawei device users with vulnerable AMS module versions are affected.

💻 Affected Systems

Products:
  • Huawei devices with AMS module
Versions: Specific versions not detailed in provided references; check Huawei advisories
Operating Systems: Huawei HarmonyOS/Android-based systems
Default Config Vulnerable: ⚠️ Yes
Notes: Affects Huawei consumer devices with vulnerable AMS module implementations

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers gain administrative privileges, potentially accessing sensitive data, modifying system configurations, or establishing persistence on the device.

🟠

Likely Case

Local attackers escalate privileges to access restricted data or functionality they shouldn't have access to.

🟢

If Mitigated

With proper access controls and monitoring, impact is limited to isolated privilege escalation attempts that can be detected and contained.

🌐 Internet-Facing: LOW (This appears to be a local privilege escalation requiring initial access to the system)
🏢 Internal Only: MEDIUM (Internal attackers or compromised accounts could exploit this to gain higher privileges)

🎯 Exploit Status

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

Requires local access to the device; exploitation details not publicly available

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check Huawei security bulletins for specific patched versions

Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2024/6/

Restart Required: Yes

Instructions:

1. Check Huawei security bulletin for your device model. 2. Apply the latest security update via Settings > System & updates > Software update. 3. Restart device after update completes.

🔧 Temporary Workarounds

Restrict local access

all

Limit physical and remote access to devices to reduce attack surface

Enable device encryption

android

Encrypt device storage to protect data if privilege escalation occurs

Settings > Security & privacy > Encryption & credentials > Encrypt phone

🧯 If You Can't Patch

  • Isolate affected devices from sensitive networks and data
  • Implement strict access controls and monitor for unusual privilege escalation attempts

🔍 How to Verify

Check if Vulnerable:

Check device model and software version against Huawei's security bulletin

Check Version:

Settings > About phone > Software information

Verify Fix Applied:

Verify software version after update matches patched version in Huawei advisory

📡 Detection & Monitoring

Log Indicators:

  • Unexpected privilege escalation events
  • AMS module access violations
  • Unauthorized access to protected resources

Network Indicators:

  • Unusual outbound connections from privileged processes

SIEM Query:

process:privilege_escalation OR module:AMS AND event:anomaly

🔗 References

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