CVE-2023-20646
NixOS vulnerability analysis and mitigation

Overview

CVE-2023-20646 is a vulnerability discovered in the Radio Interface Layer (RIL) component of Android devices. The vulnerability was disclosed on March 7, 2023, and affects multiple MediaTek chipsets running Android versions 12.0 and 13.0. This vulnerability is characterized as an out-of-bounds read issue that occurs due to a missing bounds check in the RIL component (MediaTek Bulletin).

Technical details

The vulnerability is classified as a medium severity issue with a CWE-20 (Improper Input Validation) designation. The technical root cause is identified as a missing bounds check in the RIL component, which can lead to an out-of-bounds read condition. The vulnerability requires System execution privileges for exploitation (MediaTek Bulletin).

Impact

If exploited, this vulnerability could lead to local information disclosure with System execution privileges needed. The impact is limited to local attacks, and user interaction is not required for exploitation (MediaTek Bulletin).

Mitigation and workarounds

The vulnerability affects multiple MediaTek chipsets including MT6737, MT6739, MT6753, MT6757, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6789, and several others running Android versions 12.0 and 13.0. Device manufacturers have been notified and provided with security patches (MediaTek Bulletin).

Additional resources


SourceThis report was generated using AI

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