CVE-2023-20947
NixOS vulnerability analysis and mitigation

Overview

CVE-2023-20947 is a vulnerability discovered in Android's permission management system, specifically in the getGroupState function of GrantPermissionsViewModel.kt. The vulnerability affects Android versions 12, 12L, and 13. It was disclosed in March 2023 as part of Android's security bulletin (Android Bulletin).

Technical details

The vulnerability exists in the getGroupState function of GrantPermissionsViewModel.kt, where there is a possible way to keep a one-time permission granted due to a permissions bypass. The vulnerability has been assigned a CVSS v3.1 base score of 7.8 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (NVD).

Impact

This vulnerability could lead to local escalation of privilege with no additional execution privileges needed. The impact is significant as it allows an attacker to maintain permissions that should have been temporary, potentially leading to unauthorized access to sensitive features or data (NVD).

Mitigation and workarounds

The vulnerability has been addressed in the March 2023 Android security patch. Users should update their Android devices to the latest security patch level to protect against this vulnerability (Android Bulletin).

Additional resources


SourceThis report was generated using AI

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