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Vulnerability DatabaseCVE-2023-20788

CVE-2023-20788: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2023-20788 is a medium severity vulnerability discovered in MediaTek's thermal component. The vulnerability was disclosed in August 2023 and affects various MediaTek chipsets including MT6739, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT6883, MT8167, MT8167S, MT8168, MT8321, MT8362A, and MT8365 running Android 12.0 (Vendor Advisory).

Technical details

The vulnerability is classified as a Time-of-check Time-of-use (TOCTOU) race condition vulnerability (CWE-367) and a Use After Free (CWE-416) issue. It has been assigned a CVSS v3.1 base score of 6.4 MEDIUM (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H) (NVD).

Impact

The vulnerability could lead to local escalation of privilege with System execution privileges needed. The exploitation could result in unauthorized access to system resources or potential system compromise (Vendor Advisory).

Mitigation and workarounds

MediaTek has released security patches for the affected devices. Device manufacturers have been notified of the issues and corresponding security patches at least two months before the public disclosure (Vendor Advisory).

Additional resources

Source: This report was generated using AI

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