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Vulnerability DatabaseCVE-2021-0621

CVE-2021-0621: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2021-0621 is a medium severity vulnerability discovered in the asf extractor component. The vulnerability was disclosed in November 2021 and affects Android versions 10.0 and 11.0 running on various MediaTek chipsets (Vendor Advisory).

Technical details

The vulnerability is an out-of-bounds read vulnerability (CWE-125) caused by an integer overflow in the asf extractor component. The vulnerability has a CVSS v3.1 base score of 5.5 MEDIUM (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) (NVD).

Impact

This vulnerability could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation (Vendor Advisory).

Mitigation and workarounds

MediaTek has notified device OEMs of the issue and provided corresponding security patches. The vulnerability was addressed in the November 2021 security update (Vendor Advisory).

Additional resources

Source: This report was generated using AI

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