CVE-2024-0026
📋 TL;DR
This vulnerability in Android's SnoozeHelper component allows local attackers to cause persistent denial of service through resource exhaustion. It affects Android devices running vulnerable versions, requiring no user interaction or special privileges for exploitation.
💻 Affected Systems
- Android OS
📦 What is this software?
Android by Google
Android by Google
Android by Google
Android by Google
⚠️ Risk & Real-World Impact
Worst Case
Device becomes completely unresponsive or requires factory reset to recover functionality
Likely Case
Degraded device performance, app crashes, or temporary unavailability of snooze/alarm functionality
If Mitigated
Minimal impact with proper patching and monitoring
🎯 Exploit Status
Exploitation requires local access but no special privileges; no public exploit code identified at this time
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Android security patch level April 2024 or later
Vendor Advisory: https://source.android.com/security/bulletin/2024-04-01
Restart Required: Yes
Instructions:
1. Check for Android system updates in Settings > System > System update. 2. Install the April 2024 security patch or later. 3. Reboot device after installation.
🔧 Temporary Workarounds
Disable vulnerable component
androidTemporarily disable or restrict the SnoozeHelper functionality if possible
App permission restrictions
androidReview and restrict app permissions that could interact with alarm/snooze functionality
🧯 If You Can't Patch
- Monitor device performance and restart if unusual resource consumption is detected
- Implement strict app installation policies and only install apps from trusted sources
🔍 How to Verify
Check if Vulnerable:
Check Android security patch level in Settings > About phone > Android version > Security patch levelCheck Version:
adb shell getprop ro.build.version.security_patchVerify Fix Applied:
Verify security patch level shows April 2024 or later date📡 Detection & Monitoring
Log Indicators:
- Unusual resource consumption by system services
- Repeated crashes of alarm/snooze related services
Network Indicators:
- None - this is a local vulnerability
SIEM Query:
Look for patterns of system service crashes or resource exhaustion in Android device logs🔗 References
- https://android.googlesource.com/platform/frameworks/base/+/a8fb9fe93efdebc4145e00934f42c91742f328de
- https://source.android.com/security/bulletin/2024-04-01
- https://android.googlesource.com/platform/frameworks/base/+/a8fb9fe93efdebc4145e00934f42c91742f328de
- https://source.android.com/security/bulletin/2024-04-01
