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Vulnerability DatabaseCVE-2023-20744

CVE-2023-20744: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2023-20744 is a vulnerability discovered in the vcu (Video Coding Unit) component. The vulnerability was published on June 6, 2023, and affects various MediaTek chipsets running Android 12.0, 13.0, and Yocto 4.0/IoT-Yocto 22.2 operating systems (MediaTek Bulletin).

Technical details

The vulnerability is classified as a use-after-free issue caused by a logic error in the vcu component. It 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 is tracked under CWE-416 (Use After Free) (NVD).

Impact

A successful exploitation of this vulnerability could lead to local escalation of privilege with System execution privileges. The vulnerability requires no user interaction for exploitation, though it does require system-level execution privileges (MediaTek Bulletin).

Mitigation and workarounds

The vulnerability affects specific MediaTek chipsets including MT6789, MT6855, MT8185, MT8195, MT8365, MT8395, MT8781, MT8786, MT8789, MT8791, and MT8797. MediaTek has released patches identified as ALPS07519142 to address this vulnerability (MediaTek Bulletin).

Additional resources

Source: This report was generated using AI

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