CVE-2025-0089
📋 TL;DR
This CVE describes a logic error in Android's Launcher app that allows local privilege escalation without user interaction. An attacker could hijack the Launcher to gain elevated privileges on the device. This affects Android devices running vulnerable versions.
💻 Affected Systems
- Android
📦 What is this software?
Android by Google
Android by Google
Android by Google
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise allowing installation of malware, data theft, and persistence as a privileged user.
Likely Case
Local attacker gains elevated privileges to access sensitive data or install malicious apps without user knowledge.
If Mitigated
Limited impact if device is fully patched and has additional security controls like verified boot.
🎯 Exploit Status
Requires local access to device. No user interaction needed but attacker needs ability to execute code on device.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: September 2025 Android Security Patch or later
Vendor Advisory: https://source.android.com/security/bulletin/2025-09-01
Restart Required: Yes
Instructions:
1. Check for system updates in Settings > System > System update. 2. Install September 2025 Android Security Patch or later. 3. Reboot device after installation.
🔧 Temporary Workarounds
Disable unknown sources
androidPrevent installation of apps from unknown sources to reduce attack surface
Settings > Security > Install unknown apps > Disable for all apps
Use verified boot
androidEnsure verified boot is enabled to detect system modifications
Settings > Security > Google Play Protect > Scan device for security threats
🧯 If You Can't Patch
- Restrict physical access to devices and implement strict app installation policies
- Monitor for suspicious app behavior and unusual privilege escalations
🔍 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 September 2025 or later date📡 Detection & Monitoring
Log Indicators:
- Unusual Launcher process behavior
- Unexpected privilege escalation attempts
- Suspicious app installation events
Network Indicators:
- None - this is a local exploit
SIEM Query:
Look for events where apps gain unexpected permissions or Launcher processes show abnormal behavior patterns🔗 References
- https://android.googlesource.com/platform/frameworks/base/+/ed39b7c3895c8c63a1ccdbcc9783a2d3ca15127f
- https://android.googlesource.com/platform/frameworks/base/+/f27918b39cffb404ed429829f93b20344310da34
- https://android.googlesource.com/platform/frameworks/base/+/fd66d834553ffab769ef21017bff95bdfd138493
- https://source.android.com/security/bulletin/2025-09-01
