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Vulnerability DatabaseCVE-2023-20701

CVE-2023-20701: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2023-20701 is a security vulnerability discovered in the widevine component affecting MediaTek chipsets. The vulnerability was disclosed in May 2023 and affects Android versions 11.0 and 12.0 running on various MediaTek chipset models including MT6762, MT6765, MT6768, MT6769, MT6779, and several others (MediaTek Bulletin).

Technical details

The vulnerability is classified as an out-of-bounds write vulnerability (CWE-787) that occurs due to a logic error in the widevine component. It has been assigned a CVSS v3.1 base score of 6.7 (Medium) with the vector string CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H, indicating local access requirements with high privileges needed (NVD).

Impact

If exploited, this vulnerability could lead to local escalation of privilege with System execution privileges. The vulnerability requires no user interaction for exploitation, potentially allowing an attacker with system-level access to elevate their privileges on affected devices (MediaTek Bulletin).

Mitigation and workarounds

MediaTek has notified device OEMs of the issue and provided corresponding security patches. The vulnerability affects Android versions 11.0 and 12.0, suggesting that updating to a patched version of the software is the primary mitigation strategy (MediaTek Bulletin).

Additional resources

Source: This report was generated using AI

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