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Vulnerability DatabaseCVE-2023-20843

CVE-2023-20843: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2023-20843 is a medium severity vulnerability discovered in MediaTek's imgsys_cmdq component. The vulnerability was disclosed in September 2023 and affects various MediaTek chipsets including MT6895, MT6897, MT6983, MT8188, MT8195, MT8395, and MT8781. The vulnerability exists due to a missing valid range checking mechanism (MediaTek Bulletin).

Technical details

The vulnerability is classified as an out-of-bounds read issue due to missing valid range checking in the imgsys_cmdq component. It has been assigned a CVSS v3.1 base score of 4.2 (MEDIUM) with the vector string CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N. The vulnerability is categorized under CWE-125 (Out-of-bounds Read) (NVD).

Impact

This vulnerability could lead to local information disclosure when exploited successfully. The attack requires System execution privileges and user interaction for exploitation (MediaTek Bulletin).

Mitigation and workarounds

The vulnerability affects multiple software versions including Android 11.0, 12.0, Linux 6.1, IOT-v23.0, and Yocto 4.0. Users should update to the latest software versions that include security patches for this vulnerability (MediaTek Bulletin).

Additional resources

Source: This report was generated using AI

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