CVE-2023-21087
NixOS vulnerability analysis and mitigation

Overview

CVE-2023-21087 is a vulnerability in Android's PreferencesHelper.java component affecting Android versions 11, 12, 12L, and 13. The vulnerability was discovered and disclosed in April 2023, where an uncaught exception could cause the device to get stuck in a boot loop (NVD).

Technical details

The vulnerability is classified as an Uncaught Exception (CWE-248) issue. It has a CVSS v3.1 base score of 5.5 (Medium), with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. The vulnerability requires local access but does not need user interaction for exploitation. The technical impact primarily affects system availability, with no impact on confidentiality or integrity (NVD).

Impact

The primary impact of this vulnerability is a local persistent denial of service condition. When exploited, the vulnerability can cause the affected Android device to become stuck in a boot loop, effectively rendering the device unusable until the issue is resolved (NVD).

Mitigation and workarounds

The vulnerability was addressed in the Android Security Bulletin of April 2023. Users should update their Android devices to the latest available security patch level to mitigate this vulnerability (Android Security Bulletin).

Additional resources


SourceThis report was generated using AI

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