CVE-2024-20130
📋 TL;DR
This CVE describes a memory corruption vulnerability in MediaTek power management components where missing bounds checks allow out-of-bounds writes. Attackers with local access and system privileges could exploit this to escalate privileges and potentially execute arbitrary code. The vulnerability affects MediaTek-powered devices including smartphones, tablets, and IoT devices.
💻 Affected Systems
- MediaTek-powered smartphones
- MediaTek-powered tablets
- MediaTek-powered IoT devices
📦 What is this software?
Android by Google
Android by Google
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise allowing attackers to gain root privileges, install persistent malware, access sensitive data, and potentially brick devices.
Likely Case
Local privilege escalation allowing attackers to bypass security controls, install unauthorized applications, or access protected system resources.
If Mitigated
Limited impact if proper privilege separation and SELinux/app sandboxing are enforced, though kernel-level compromise remains possible.
🎯 Exploit Status
Requires system execution privileges initially, but no user interaction needed. Exploitation involves memory corruption techniques.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Firmware with patch ID ALPS09193374
Vendor Advisory: https://corp.mediatek.com/product-security-bulletin/December-2024
Restart Required: Yes
Instructions:
1. Contact device manufacturer for firmware updates. 2. Apply MediaTek-provided patch ALPS09193374. 3. Update device firmware through official channels. 4. Reboot device after update.
🔧 Temporary Workarounds
Restrict system privileges
androidLimit applications and users with system execution privileges to reduce attack surface
Enable SELinux enforcing mode
linuxStrengthen mandatory access controls to contain potential privilege escalation
setenforce 1
🧯 If You Can't Patch
- Isolate affected devices from critical networks and sensitive data
- Implement strict application whitelisting and monitor for suspicious privilege escalation attempts
🔍 How to Verify
Check if Vulnerable:
Check device firmware version and patch status through manufacturer's security update informationCheck Version:
Manufacturer-specific commands vary; typically check Settings > About phone > Build numberVerify Fix Applied:
Verify patch ALPS09193374 is applied in firmware update details📡 Detection & Monitoring
Log Indicators:
- Unexpected privilege escalation attempts
- Kernel panic or crash logs related to power management
Network Indicators:
- None - local exploitation only
SIEM Query:
Search for: 'privilege escalation' OR 'kernel panic' AND 'power management' OR 'MediaTek'