Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2023-20640
CVE-2023-20640:
NixOS vulnerability analysis and mitigation
Overview
CVE-2023-20640 is a medium severity vulnerability identified in MediaTek's RIL (Radio Interface Layer) component. The vulnerability was disclosed in March 2023 as part of MediaTek's security bulletin. It affects various MediaTek chipsets including MT6879, MT6895, MT6983, MT8791, MT8791T, and MT8797 running Android versions 12.0 and 13.0 (MediaTek Bulletin).
Technical details
The vulnerability is classified as an Elevation of Privilege (EoP) issue caused by improper input validation in the RIL component. Specifically, there is a possible out-of-bounds write condition due to a missing bounds check. The vulnerability has been assigned CWE-20 (Improper Input Validation) classification (MediaTek Bulletin).
Impact
If exploited, this vulnerability could lead to local escalation of privilege with System execution privileges needed. The attack requires system execution privileges, and user interaction is not needed for exploitation (MediaTek Bulletin).
Mitigation and workarounds
MediaTek has notified device OEMs of this issue and provided corresponding security patches. The vulnerability was disclosed to OEMs at least two months before public disclosure, allowing time for patch development and distribution (MediaTek Bulletin).
Additional resources
Source: This report was generated using AI
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