CVE-2024-49730
📋 TL;DR
This vulnerability allows local privilege escalation on Android devices through a memory corruption flaw in FuseDaemon.cpp. An attacker could gain elevated system privileges without user interaction or additional execution permissions. All Android devices running vulnerable versions of MediaProvider are affected.
💻 Affected Systems
- Android MediaProvider
📦 What is this software?
Android by Google
Android by Google
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise allowing attacker to install persistent malware, access all user data, and bypass security controls.
Likely Case
Local attacker gains root privileges to access sensitive data, modify system files, or install malicious apps.
If Mitigated
Limited impact with proper app sandboxing and SELinux policies in place, but still significant privilege escalation.
🎯 Exploit Status
No user interaction required but requires local access; memory corruption exploitation requires specific conditions.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: April 2025 Android Security Patch or later
Vendor Advisory: https://source.android.com/security/bulletin/2025-04-01
Restart Required: Yes
Instructions:
1. Check for Android system updates in Settings > System > System update. 2. Install April 2025 security patch or later. 3. Reboot device after installation.
🔧 Temporary Workarounds
Disable unnecessary apps
androidReduce attack surface by disabling unused apps that might interact with MediaProvider
🧯 If You Can't Patch
- Restrict physical access to devices and implement strong device authentication
- Monitor for unusual privilege escalation attempts using Android security logging
🔍 How to Verify
Check if Vulnerable:
Check Android security patch level in Settings > About phone > Android version > Security patch level. If before April 2025, device is vulnerable.Check Version:
adb shell getprop ro.build.version.security_patchVerify Fix Applied:
Verify security patch level shows April 2025 or later after applying update.📡 Detection & Monitoring
Log Indicators:
- Unusual privilege escalation in system logs
- MediaProvider process crashes or abnormal behavior
Network Indicators:
- Not applicable - local exploit
SIEM Query:
source="android_system" AND (event_type="privilege_escalation" OR process_name="MediaProvider" AND status="crash")