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Vulnerability DatabaseCVE-2022-21783

CVE-2022-21783: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2022-21783 is a security vulnerability identified in the WLAN driver that was disclosed in July 2022. The vulnerability allows for a possible out-of-bounds write due to a missing bounds check. This vulnerability affects various MediaTek chipsets running Android 11.0 and 12.0 operating systems (MediaTek Bulletin).

Technical details

The vulnerability is classified as a medium severity issue with a vulnerability type of Elevation of Privilege (EoP). It is categorized under CWE-20 (Improper Input Validation). The vulnerability stems from improper input validation in the WLAN driver that could lead to an out-of-bounds write condition due to missing bounds checks (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 no user interaction is needed for exploitation (MediaTek Bulletin).

Mitigation and workarounds

The vulnerability was addressed in security patches released by MediaTek. Affected devices running Android 11.0 and 12.0 should be updated to the latest security patch level to mitigate this vulnerability (MediaTek Bulletin).

Additional resources

Source: This report was generated using AI

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