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Vulnerability DatabaseCVE-2022-20499

CVE-2022-20499: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2022-20499 affects Android versions 12, 12L, and 13, specifically in the validateForCommonR1andR2 function of PasspointConfiguration.java. The vulnerability was discovered and disclosed in March 2023, where uncaught errors in parsing stored configs could lead to local persistent denial of service (Android Bulletin).

Technical details

The vulnerability exists in the validateForCommonR1andR2 function of PasspointConfiguration.java, where uncaught errors in parsing stored configurations can trigger a denial of service condition. The vulnerability has been assigned a CVSS v3.1 Base Score of 5.5 MEDIUM (Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). The vulnerability requires local access but does not need user interaction for exploitation (NVD).

Impact

When exploited, this vulnerability can lead to a local persistent denial of service condition. No additional execution privileges are required for exploitation, and the impact is specifically focused on availability with no direct impact on confidentiality or integrity (NVD).

Mitigation and workarounds

Google has addressed this vulnerability in the March 2023 Android Security Bulletin. Users should update their Android devices to the latest security patch level to mitigate this vulnerability (Android Bulletin).

Additional resources

Source: This report was generated using AI

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