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Vulnerability DatabaseCVE-2022-20451

CVE-2022-20451: 
NixOS vulnerability analysis and mitigation

Overview

In onCallRedirectionComplete of CallsManager.java, there is a possible permissions bypass vulnerability (CVE-2022-20451) due to a missing permission check. The vulnerability affects Android versions 10, 11, 12, 12L, and 13. This security issue was addressed in the Android Security Bulletin of November 2022 (Android Bulletin).

Technical details

The vulnerability is identified with Android ID A-235098883 and 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:N/UI:R/S:U/C:H/I:H/A:H. The issue stems from a missing authorization check (CWE-862) in the onCallRedirectionComplete function within CallsManager.java (NVD).

Impact

If exploited, this vulnerability could lead to local escalation of privilege with no additional execution privileges needed. The high CVSS score indicates potential severe impacts on confidentiality, integrity, and availability of the affected system (NVD).

Mitigation and workarounds

The vulnerability was addressed in the Android Security Patch Level dated November 5, 2022. Users should update their Android devices to a security patch level of 2022-11-05 or later to protect against this vulnerability (Android Bulletin).

Additional resources

Source: This report was generated using AI

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