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Vulnerability DatabaseCVE-2024-20020

CVE-2024-20020: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2024-20020 is a vulnerability discovered in OPTEE, affecting various MediaTek chipsets including MT2713, MT2715, MT8173, MT8188, MT8195, MT8390, and MT8395 running Android 13.0. The vulnerability was reported externally and disclosed in March 2024 (MediaTek Bulletin).

Technical details

The vulnerability is classified as an out-of-bounds write (CWE-787) due to an incorrect bounds check in OPTEE. The severity is rated as MEDIUM with a CVSS v3.1 base score of 4.4 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N) (NVD).

Impact

The vulnerability could lead to local information disclosure if a malicious actor has already obtained System execution privileges. User interaction is not needed for exploitation (MediaTek Bulletin).

Exploitability

The vulnerability requires local access and high privileges for exploitation. No user interaction is needed for exploitation, and there are currently no reports of this vulnerability being exploited in the wild (CIS Advisory).

Mitigation and workarounds

The vulnerability affects Android 13.0 devices using the specified MediaTek chipsets. Users should apply appropriate security patches provided by their device manufacturers (MediaTek Bulletin).

Additional resources

Source: This report was generated using AI

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