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Vulnerability DatabaseCVE-2023-2234
CVE-2023-2234:
NixOS vulnerability analysis and mitigation
Overview
CVE-2023-2234 is a vulnerability in the Zephyr operating system that involves union variant confusion, discovered and disclosed in July 2023. The vulnerability affects Zephyr versions up to and including 3.3.0, allowing any malicious Bluetooth (BT) controller to execute arbitrary code on the Zephyr host (NVD).
Technical details
The vulnerability is classified as CWE-843 (Access of Resource Using Incompatible Type - 'Type Confusion'). It received a CVSS v3.1 base score of 8.8 (HIGH) from NIST with vector string CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, while Zephyr Project assessed it with a score of 6.8 (MEDIUM) with vector string CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (NVD).
Impact
The vulnerability allows malicious Bluetooth controllers to execute arbitrary code on the Zephyr host system, potentially leading to complete system compromise with high impacts on confidentiality, integrity, and availability (NVD).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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