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Vulnerability DatabaseCVE-2022-21746

CVE-2022-21746: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2022-21746 is a vulnerability discovered in the imgsensor component of MediaTek chipsets. The vulnerability was disclosed on June 6, 2022, affecting various MediaTek chipsets running Android versions 9.0 through 12.0. The issue affects multiple chipset models including MT6771, MT6779, MT6781, MT6785, MT6833, and several others (MediaTek Bulletin).

Technical details

The vulnerability is characterized as an out-of-bounds read vulnerability due to a missing bounds check in the imgsensor component. 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:N/I:N/A:H. The vulnerability is classified under CWE-125 (Out-of-bounds Read) (NVD).

Impact

The vulnerability can lead to local denial of service (DoS) when successfully exploited. The attack requires System execution privileges, though user interaction is not needed for exploitation (MediaTek Bulletin).

Mitigation and workarounds

MediaTek has addressed this vulnerability through security patches. Device OEMs were notified of the issues and corresponding security patches at least two months before the public disclosure (MediaTek Bulletin).

Additional resources

Source: This report was generated using AI

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