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Vulnerability DatabaseCVE-2023-20805

CVE-2023-20805: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2023-20805 is a medium severity vulnerability discovered in MediaTek's imgsys component. The vulnerability was disclosed on August 7, 2023, affecting various MediaTek chipsets running Android 12.0, 13.0, and IOT-v23.0 (Yocto 4.0) operating systems. The affected hardware includes MT2713, MT6879, MT6895, MT6983, MT8188, MT8195, MT8395, and MT8673 chipsets (MediaTek Bulletin).

Technical details

The vulnerability is classified as an out-of-bounds write (CWE-787) vulnerability due to a missing bounds check in the imgsys component. It has received a CVSS v3.1 base score of 6.7 MEDIUM (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H) (NVD).

Impact

If exploited, this vulnerability could lead to local escalation of privilege with System execution privileges. The attack requires local access but does not need user interaction for exploitation (MediaTek Bulletin).

Mitigation and workarounds

MediaTek has released security patches for the affected devices and notified device OEMs of the vulnerability. Users should ensure their devices are updated with the latest security patches provided by their device manufacturers (MediaTek Bulletin).

Additional resources

Source: This report was generated using AI

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