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Vulnerability DatabaseCVE-2023-20827

CVE-2023-20827: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2023-20827 is a vulnerability discovered in the IMS (IP Multimedia Subsystem) service affecting MediaTek chipsets. The vulnerability was disclosed in September 2023 and affects Android versions 12.0 and 13.0. It involves a possible memory corruption due to a race condition in the IMS service (MediaTek Bulletin).

Technical details

The vulnerability is classified as a medium severity issue with a CVSS v3.1 base score of 6.4 (MEDIUM). The vulnerability type is categorized as an Elevation of Privilege (EoP) and is related to CWE-362 (Concurrent Execution using Shared Resource with Improper Synchronization). The issue stems from improper synchronization in the IMS service, which can lead to memory corruption due to a race condition (NVD).

Impact

The vulnerability could lead to local escalation of privilege with System execution privileges needed. The exploitation does not require user interaction, making it potentially more dangerous for affected systems (MediaTek Bulletin).

Mitigation and workarounds

The vulnerability affects multiple MediaTek chipsets including MT6761, MT6762, MT6763, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6789, and several others. Users should ensure their devices are updated with the latest security patches provided by their device manufacturers (MediaTek Bulletin).

Additional resources

Source: This report was generated using AI

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