Listen to this Post
The vulnerability CVE-2025-48580 is a logic error in the `connectInternal` method of the `MediaBrowser.java` component within the Android framework. This method is responsible for managing connections to media browser services. Due to flawed logic, the method fails to properly validate the application’s state and permissions when a connection request is processed while the app is in the background. Specifically, it incorrectly allows the “while in use” permission to be accessed or utilized. This creates a race condition or state mismatch where background applications can perform operations that should require foreground priority or explicit user consent. The flawed code path does not need any additional execution privileges to be triggered. A locally installed application can exploit this condition without requiring any user interaction. By crafting a sequence of connection requests, an attacker can cause the system to grant elevated permissions associated with the media browser service. This leads to a local escalation of privilege from a standard application context to a higher-privileged context. The core issue is an improper authorization check that does not enforce the correct lifecycle state before permitting access to sensitive functionality.
Platform: Android
Version: Not specified
Vulnerability: Local privilege escalation
Severity: Critical
Date: 2025-12-08
Prediction: 2025-12-15
What Undercode Say:
Analytics
Bash commands and codes related to the blog
adb logcat | grep -i mediabrowser
adb shell dumpsys media_session
cat /proc//status
How Exploit:
A malicious application registers a MediaBrowserService and manipulates its connection lifecycle. It repeatedly calls connect() from a background state, triggering the flawed connectInternal logic. This race condition tricks the system into granting it “while in use” permissions, allowing access to protected media data and system APIs.
Protection from this CVE:
Install Android security updates. Review application permissions. Minimize use of MediaBrowserService.
Impact:
Local escalation of privilege. Unauthorized data access. System integrity compromise.
🎯Let’s Practice Exploiting & Learn Patching For Free:
Sources:
Reported By: nvd.nist.gov
Extra Source Hub:
Undercode
