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Vulnerability DatabaseCVE-2023-20836

CVE-2023-20836: 
NixOS vulnerability analysis and mitigation

Overview

In camsys, there is a possible out of bounds read vulnerability (CVE-2023-20836) due to a missing bounds check. The vulnerability was discovered and disclosed in September 2023, affecting MediaTek chipsets running Android versions 11.0, 12.0, and 13.0. The affected hardware includes multiple MediaTek chipset models including MT6762, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6877, MT6885, MT6893, MT8768, and MT8788 (MediaTek Bulletin).

Technical details

The vulnerability is classified as a CWE-125 Out-of-bounds Read type vulnerability. It has been assigned a CVSS v3.1 Base Score of 4.4 (MEDIUM) with the vector string CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N. The vulnerability exists in the camsys component and occurs due to insufficient bounds checking mechanisms (NVD).

Impact

The vulnerability could lead to local information disclosure with System execution privileges required. The CVSS scoring indicates high impact on confidentiality but no impact on integrity or availability (MediaTek Bulletin).

Mitigation and workarounds

MediaTek has addressed this vulnerability and provided patches to device manufacturers. 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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