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Vulnerability DatabaseCVE-2023-20789

CVE-2023-20789: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2023-20789 is a medium severity vulnerability discovered in MediaTek's jpeg component. The vulnerability was disclosed on August 7, 2023, affecting multiple MediaTek chipsets running Android 12.0 and 13.0 operating systems. The issue stems from a missing bounds check that could lead to information disclosure (MediaTek Bulletin).

Technical details

The vulnerability is caused by improper input validation (CWE-20) in the jpeg component. The issue results from a missing bounds check that could potentially expose sensitive information. The vulnerability 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 (NVD).

Impact

The vulnerability could lead to local information disclosure with System execution privileges needed. The affected chipsets include MT6789, MT6835, MT6855, MT6879, MT6886, MT6895, MT6983, MT6985, MT8188, MT8195, and MT8195Z (MediaTek Bulletin).

Mitigation and workarounds

MediaTek has addressed this vulnerability and notified device OEMs of the 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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