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Vulnerability DatabaseCVE-2020-27023

CVE-2020-27023: 
NixOS vulnerability analysis and mitigation

Overview

A flaw was discovered in BluetoothMediaBrowserService.java of Android 11, identified as CVE-2020-27023. The vulnerability involves a possible permission bypass due to an unsafe PendingIntent, which was disclosed in the December 2020 Android Security Bulletin (Android Bulletin).

Technical details

The vulnerability exists in the setErrorPlaybackState function of BluetoothMediaBrowserService.java. It allows for a permission bypass through an unsafe PendingIntent implementation. The vulnerability has been assigned a CVSS v3.1 base score of 4.4 (MEDIUM) with the vector string CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N (NVD).

Impact

If exploited, this vulnerability could lead to local information disclosure with System execution privileges. The impact is limited to information disclosure without affecting system integrity or availability (NVD).

Exploitability

The vulnerability requires local access and high privileges for exploitation. No user interaction is needed for exploitation. There are no known reports of this vulnerability being exploited in the wild (NVD).

Mitigation and workarounds

The vulnerability was addressed in the Android Security Bulletin for December 2020. Users should update their Android devices to the latest available security patch level to mitigate this vulnerability (Android Bulletin).

Additional resources

Source: This report was generated using AI

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