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Vulnerability DatabaseCVE-2023-20842

CVE-2023-20842: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2023-20842 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 MT2713, MT6895, MT6897, MT6983, MT8188, MT8195, MT8395, and MT8781. The affected software versions include Android 11.0, 12.0, Linux 6.1, IOT-v23.0, and Yocto 4.0 (MediaTek Bulletin).

Technical details

The vulnerability is classified as an out-of-bounds write vulnerability due to missing valid range checking in the imgsys_cmdq component. It has been assigned a CVSS v3.1 base score of 6.5 (Medium) with the vector string CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H. The vulnerability is categorized under CWE-20 (Improper Input Validation) (NVD).

Impact

If exploited, this vulnerability could lead to local escalation of privilege with System execution privileges. The attack requires user interaction for successful exploitation (MediaTek Bulletin).

Mitigation and workarounds

MediaTek has addressed this vulnerability in their September 2023 security bulletin. Device manufacturers using the affected chipsets should update their systems with the latest security patches. The patch ID associated with this fix is ALPS07354259, and the issue ID is ALPS07340477 (MediaTek Bulletin).

Additional resources

Source: This report was generated using AI

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