CVE-2022-20103
NixOS vulnerability analysis and mitigation

Overview

CVE-2022-20103 is a security vulnerability discovered in the aee daemon component affecting MediaTek chipsets. The vulnerability was disclosed in May 2022 and involves information disclosure due to symbolic link following. The vulnerability affects multiple MediaTek chipset series including MT6580, MT6739, MT6761, MT6762, MT6765, and many others running Android versions 11.0 and 12.0 (MediaTek Bulletin).

Technical details

The vulnerability is classified as a UNIX Symbolic Link (Symlink) Following issue (CWE-61) with a Medium severity rating. The technical nature of the vulnerability involves improper handling of symbolic links in the aee daemon component, which could potentially lead to unauthorized information disclosure (MediaTek Bulletin).

Impact

If exploited, this vulnerability could lead to local information disclosure with System execution privileges needed. The scope of impact is limited to devices using affected MediaTek chipsets running Android 11.0 and 12.0 operating systems (MediaTek Bulletin).

Mitigation and workarounds

MediaTek has addressed this vulnerability through their May 2022 security bulletin. Device manufacturers using affected chipsets have been notified of the security patches at least two months before the public disclosure (MediaTek Bulletin).

Additional resources


SourceThis report was generated using AI

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