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Vulnerability DatabaseCVE-2021-0679

CVE-2021-0679: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2021-0679 is a medium severity vulnerability discovered in the apusys component of MediaTek chipsets. The vulnerability was disclosed in December 2021 and affects Android versions 10.0, 11.0, and 12.0 running on various MediaTek chipset models including MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT8195, MT8791, and MT8797 (MediaTek Bulletin).

Technical details

The vulnerability is characterized as an improper check or handling of exceptional conditions (CWE-703) in the apusys component that could lead to memory corruption due to a missing bounds check. The vulnerability has been assigned 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 needed. The potential impact includes memory corruption that could affect system stability and security (MediaTek Bulletin).

Mitigation and workarounds

MediaTek has notified device OEMs of the issue and provided corresponding security patches at least two months before the public disclosure. 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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