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Vulnerability DatabaseCVE-2021-0991

CVE-2021-0991: 
NixOS vulnerability analysis and mitigation

Overview

In OnMetadataChangedListener of AdvancedBluetoothDetailsHeaderController.java, there is a possible leak of Bluetooth MAC addresses due to log information disclosure. This vulnerability, identified as CVE-2021-0991, affects Android 12 systems and requires system execution privileges for exploitation. The vulnerability was discovered and assigned on November 6, 2020, with details published in the December 2021 Android Security Bulletin (Android Bulletin).

Technical details

The vulnerability exists in the Android system's Bluetooth functionality, specifically within the OnMetadataChangedListener component of AdvancedBluetoothDetailsHeaderController.java. The issue involves information disclosure through system logs that could expose Bluetooth MAC addresses. The vulnerability is tracked under Android ID A-181588752 (CVE Details).

Impact

The vulnerability could lead to local information disclosure of Bluetooth MAC addresses. This exposure could potentially compromise device privacy and security by revealing identifiable information about Bluetooth devices connected to the system (CVE Details).

Mitigation and workarounds

The vulnerability was addressed in the Android Security Bulletin for December 2021. Users should ensure their Android devices are updated with the latest security patches to mitigate this vulnerability (Android Bulletin).

Additional resources

Source: This report was generated using AI

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