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Vulnerability DatabaseCVE-2023-42655

CVE-2023-42655: 
NixOS vulnerability analysis and mitigation

Overview

In sim service, there is a possible way to write permission usage records of an app due to a missing permission check. This vulnerability, identified as CVE-2023-42655, affects Google Android 11.0 and various Unisoc chipsets including S8000, T760, T770, and T820. The vulnerability was discovered and reported in 2023 (NVD).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 6.7 (Medium) with the vector string CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. The vulnerability stems from a missing permission check in the sim service component, which could allow unauthorized permission usage record modifications. This has been classified under CWE-862 (Missing Authorization) by CISA-ADP (NVD).

Impact

If exploited, this vulnerability could lead to local escalation of privilege with System execution privileges needed. The impact affects confidentiality, integrity, and availability, all rated as High in the CVSS scoring (NVD).

Mitigation and workarounds

Affected users should apply security updates provided by their device manufacturers or carriers. The vulnerability has been addressed in subsequent security patches (Unisoc Advisory).

Additional resources

Source: This report was generated using AI

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