CVE-2022-20085
NixOS vulnerability analysis and mitigation

Overview

In netdiag, there is a possible symbolic link following vulnerability (CVE-2022-20085) discovered in MediaTek chipsets. The vulnerability was disclosed on May 3, 2022, affecting various MediaTek Smartphone, Tablet, AIoT, Smart display, Smart platform, OTT and TV chipsets running Android 11.0 and 12.0 operating systems (MediaTek Bulletin).

Technical details

The vulnerability is classified as a Unix Symbolic Link (Symlink) Following issue (CWE-61) due to improper link resolution in the netdiag component. It has been assigned a Medium severity rating. The vulnerability requires System execution privileges for exploitation (MediaTek Bulletin).

Impact

This vulnerability could lead to local escalation of privilege if exploited successfully. The attacker would need System execution privileges, but user interaction is not required for exploitation (MediaTek Bulletin).

Mitigation and workarounds

MediaTek has addressed this vulnerability and provided patches to device manufacturers. The fix is identified by Patch ID: ALPS06308877 and Issue ID: ALPS06308877 (CVE Details).

Additional resources


SourceThis report was generated using AI

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