CVE-2023-21318
NixOS vulnerability analysis and mitigation

Overview

CVE-2023-21318 is a vulnerability discovered in Android's Content component that allows determining whether an app is installed without query permissions through side channel information disclosure. The vulnerability was disclosed in October 2023 and affects Android versions prior to 14.0 (NVD, Android Bulletin).

Technical details

The vulnerability exists in Android's Content component and is classified as an Observable Discrepancy (CWE-203). 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:H/I:N/A:N, indicating local access, low attack complexity, low privileges required, no user interaction needed, and potential for high confidentiality impact (NVD).

Impact

The vulnerability allows local attackers to determine whether specific applications are installed on the device without having the necessary query permissions. This information disclosure could be used to profile the device and potentially aid in further targeted attacks (NVD).

Mitigation and workarounds

The vulnerability has been patched in Android 14.0. Users should update their Android devices to version 14.0 or later to mitigate this vulnerability (Android Bulletin).

Additional resources


SourceThis report was generated using AI

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