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Vulnerability DatabaseCVE-2023-21092

CVE-2023-21092: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2023-21092 affects Android versions 11, 12, 12L, and 13. The vulnerability exists in the retrieveServiceLocked function of ActiveServices.java, where there is a potential way to dynamically register a BroadcastReceiver using permissions of System App due to improper input validation (Android Bulletin, NVD).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 7.8 (HIGH) with the following vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. The vulnerability stems from improper input validation (CWE-20) in the ActiveServices.java component. The attack requires local access with low privilege level, and no user interaction is needed for exploitation (NVD).

Impact

A successful exploitation of this vulnerability could lead to local escalation of privilege. The attacker could gain high levels of access to confidentiality, integrity, and availability of the system, as indicated by the CVSS scoring (NVD).

Mitigation and workarounds

The vulnerability was addressed in the Android Security Bulletin of April 2023. Users should apply the security patch level dated 2023-04-05 or later to mitigate this vulnerability (Android Bulletin).

Additional resources

Source: This report was generated using AI

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