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CVE-2020-0047 : Vulnerability Insights and Analysis

Learn about CVE-2020-0047, a vulnerability in Android-10's AudioService.java allowing local audio silencing without permissions. Find mitigation steps and preventive measures.

Android-10 AudioService.java Vulnerability

Understanding CVE-2020-0047

Android-10 Audio Silencing Vulnerability

What is CVE-2020-0047?

This CVE refers to a missing permission check in setMasterMute of AudioService.java on Android-10, allowing local silencing of audio without requiring additional execution privileges or user interaction.

The Impact of CVE-2020-0047

The vulnerability could be exploited to silence audio locally, potentially leading to unauthorized access or disturbance without user consent.

Technical Details of CVE-2020-0047

Android-10 Audio Silencing Vulnerability

Vulnerability Description

The issue in setMasterMute of AudioService.java allows unauthorized local silencing of audio without proper permission verification.

Affected Systems and Versions

        Product: Android
        Version: Android-10

Exploitation Mechanism

        Attackers can exploit this vulnerability to control audio silencing on affected Android-10 devices.

Mitigation and Prevention

Protecting Against Android-10 Audio Vulnerability

Immediate Steps to Take

        Apply security patches from the official vendor promptly.
        Monitor device for unusual audio behavior.

Long-Term Security Practices

        Regularly update device operating systems and applications.
        Implement a defense-in-depth strategy to ensure multiple layers of security.
        Educate users on safe application usage and permissions.

Patching and Updates

        Check vendor security bulletins for patches and updates related to CVE-2020-0047.

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