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Vulnerability DatabaseCVE-2021-39747

CVE-2021-39747: 
NixOS vulnerability analysis and mitigation

Overview

In Settings Provider of Android 12L, there is a possible way to list values of non-readable global settings due to a permissions bypass vulnerability (CVE-2021-39747). This vulnerability allows local information disclosure with no additional execution privileges needed and does not require user interaction for exploitation (Android Security Bulletin).

Technical details

The vulnerability has been assigned a CVSS v3.1 Base Score of 5.5 MEDIUM (Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) and is associated with CWE-276 (Incorrect Default Permissions). The issue affects Android-12L operating system and was tracked internally as Android ID: A-208268457 (NVD).

Impact

The vulnerability could lead to local information disclosure of non-readable global settings. An attacker could potentially access sensitive system settings that should be restricted, compromising the system's security model (NVD).

Mitigation and workarounds

The vulnerability has been addressed in Android 12L. Users should ensure their devices are updated to the latest available security patch level that includes fixes for this vulnerability (Android Security Bulletin).

Additional resources

Source: This report was generated using AI

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