CVE-2025-48522
📋 TL;DR
This vulnerability allows a malicious app to retain Content Delivery Manager (CDM) association due to a logic error in Android's AssociationRequest.java. This enables local privilege escalation without requiring user interaction or additional execution privileges. It affects Android devices running vulnerable versions.
💻 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
An attacker gains elevated system privileges, potentially accessing sensitive data, modifying system settings, or installing persistent malware.
Likely Case
Malicious apps bypass security restrictions to access protected resources or perform unauthorized actions.
If Mitigated
With proper app vetting and security controls, exploitation attempts are blocked or detected.
🎯 Exploit Status
Exploitation requires a malicious app to be installed; no user interaction needed once installed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Android Security Bulletin for specific patched versions (e.g., September 2025 updates).
Vendor Advisory: https://source.android.com/security/bulletin/2025-09-01
Restart Required: Yes
Instructions:
1. Check for Android system updates in device settings. 2. Install the latest security patch. 3. Reboot the device.
🔧 Temporary Workarounds
Restrict app installations
allOnly install apps from trusted sources like Google Play Store to reduce risk of malicious apps.
🧯 If You Can't Patch
- Monitor for suspicious app behavior using security tools.
- Implement app whitelisting to control which apps can run.
🔍 How to Verify
Check if Vulnerable:
Check Android version and security patch level in Settings > About phone > Android version.Check Version:
adb shell getprop ro.build.version.security_patchVerify Fix Applied:
Verify the security patch date is September 2025 or later in device settings.📡 Detection & Monitoring
Log Indicators:
- Unusual CDM association requests or privilege escalation attempts in system logs.
SIEM Query:
Search for events related to app privilege escalation or CDM associations in Android device logs.