CVE-2024-20141
📋 TL;DR
CVE-2024-20141 is an out-of-bounds write vulnerability in V5 DA (likely a MediaTek component) that allows local privilege escalation when an attacker has physical access to the device. Exploitation requires user interaction but no additional privileges. This affects devices using vulnerable MediaTek chipsets.
💻 Affected Systems
- MediaTek V5 DA component (exact product names unspecified)
📦 What is this software?
Android by Google
Android by Google
Android by Google
Android by Google
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise with root/system-level access, allowing installation of persistent malware, data theft, and bypassing all security controls.
Likely Case
Limited local privilege escalation on compromised devices, potentially enabling further attacks within the device's security context.
If Mitigated
Minimal impact if physical access controls are strong and devices are kept in secure locations with limited user interaction opportunities.
🎯 Exploit Status
Requires physical access and user interaction. No public exploit code identified. CWE-123 (Write-what-where Condition) suggests specific memory corruption exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Patch ID: ALPS09291402
Vendor Advisory: https://corp.mediatek.com/product-security-bulletin/February-2025
Restart Required: Yes
Instructions:
1. Contact device manufacturer for firmware updates. 2. Apply MediaTek patch ALPS09291402. 3. Reboot device after patch installation. 4. Verify patch application through version checks.
🔧 Temporary Workarounds
Physical Access Restrictions
allLimit physical access to devices to prevent exploitation
User Interaction Controls
allImplement policies to prevent unauthorized user interactions with devices
🧯 If You Can't Patch
- Isolate affected devices from sensitive networks and data
- Implement strict physical security controls and device monitoring
🔍 How to Verify
Check if Vulnerable:
Check device firmware version against manufacturer's patched versions. Look for MediaTek chipset information in device specifications.Check Version:
Device-specific commands vary by manufacturer. Typically: 'getprop ro.build.fingerprint' or similar on Android devices.Verify Fix Applied:
Verify patch ALPS09291402 is applied through device firmware version checks or manufacturer update verification tools.📡 Detection & Monitoring
Log Indicators:
- Unexpected privilege escalation events
- Kernel or system process crashes
- Unauthorized access attempts with physical device interaction
Network Indicators:
- None - local exploitation only
SIEM Query:
EventID:4688 OR ProcessName:unexpected AND PrivilegeLevel:escalated AND AccessType:physical