CVE-2023-21457
NixOS vulnerability analysis and mitigation

Overview

A vulnerability was discovered in Samsung Bluetooth functionality prior to SMR Mar-2023 Release 1. The vulnerability (CVE-2023-21457) allows attackers to send files via Bluetooth without proper permission due to improper access control (NVD, Samsung Mobile).

Technical details

The vulnerability is classified as an improper access control issue in the Bluetooth component. It received a CVSS v3.1 base score of 8.1 HIGH from NIST with vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H. Samsung assigned it a lower CVSS score of 4.1 MEDIUM with vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:L (NVD).

Impact

If exploited, the vulnerability allows attackers to bypass Bluetooth permissions and send files to affected devices without proper authorization. This represents a significant integrity and availability risk for affected systems (NVD).

Mitigation and workarounds

The vulnerability was patched in Samsung's March 2023 Security Maintenance Release (SMR Mar-2023 Release 1). Users should update their devices to this or a later security patch level to remediate the issue (Samsung Mobile).

Additional resources


SourceThis report was generated using AI

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