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Vulnerability DatabaseCVE-2022-20536
CVE-2022-20536:
NixOS vulnerability analysis and mitigation
Overview
CVE-2022-20536 is a vulnerability discovered in Android 13's RcsService.java component. The issue was disclosed in December 2022 and affects the registerBroadcastReceiver functionality. The vulnerability allows potential changes to preferred TTY mode due to a missing permission check (NVD).
Technical details
The vulnerability exists in the registerBroadcastReceiver function of RcsService.java due to a missing authorization check. It has been assigned a CVSS v3.1 base score of 3.3 (LOW) with the following vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N. The vulnerability is classified under CWE-862 (Missing Authorization) (NVD).
Impact
If exploited, this vulnerability could lead to local escalation of privilege with no additional execution privileges needed. The impact is limited to integrity (I:L) with no effect on confidentiality or availability (NVD).
Mitigation and workarounds
The vulnerability was addressed in the Android Security Bulletin for December 2022. Users should update their Android devices to the latest security patch level to mitigate this vulnerability (Android Security Bulletin).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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