CVE-2024-40672
📋 TL;DR
This vulnerability allows local attackers to bypass factory reset protections on Android devices, potentially wiping user data without proper authorization. It affects Android devices running vulnerable versions, requiring physical or local access to the device. The exploit doesn't need user interaction or additional permissions.
💻 Affected Systems
- Android
📦 What is this software?
Android by Google
Android by Google
Android by Google
Android by Google
⚠️ Risk & Real-World Impact
Worst Case
Malicious app or local attacker could perform unauthorized factory reset, wiping all user data, accounts, and settings from the device.
Likely Case
Malicious app with local access could trigger factory reset without user consent, leading to data loss and device disruption.
If Mitigated
With proper app sandboxing and security updates, the risk is limited to devices with outdated software or compromised security models.
🎯 Exploit Status
Requires local access to device and ability to execute code. No public exploit code available as of analysis.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: October 2024 Android Security Update
Vendor Advisory: https://source.android.com/security/bulletin/2024-10-01
Restart Required: No
Instructions:
1. Check for Android system updates in Settings > System > System update. 2. Install October 2024 security patch. 3. Verify patch installation in Settings > About phone > Android security patch level.
🔧 Temporary Workarounds
Disable unknown sources
AndroidPrevent installation of malicious apps by disabling installation from unknown sources
Settings > Security > Install unknown apps > Disable for all apps
Enable Google Play Protect
AndroidUse built-in malware scanning for apps
Settings > Security > Google Play Protect > Scan device for security threats
🧯 If You Can't Patch
- Restrict physical access to devices
- Implement mobile device management (MDM) with app whitelisting
🔍 How to Verify
Check if Vulnerable:
Check Android security patch level in Settings > About phone > Android security patch level. If earlier than October 2024, device is vulnerable.
Check Version:
adb shell getprop ro.build.version.security_patch
Verify Fix Applied:
Verify Android security patch level shows October 2024 or later in Settings > About phone.
📡 Detection & Monitoring
Log Indicators:
- Unexpected factory reset events
- ChooserActivity permission bypass attempts in system logs
Network Indicators:
- None - local exploit only
SIEM Query:
EventID: (factory_reset OR device_wipe) AND Source: local_app AND NOT User_consent: true