Vulnerability identifier: #VU71417

Vulnerability risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2023-0397

CWE-ID: CWE-703

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Zephyr
Operating systems & Components / Operating system

Vendor: Zephyr Project

Description

The vulnerability allows a local attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to unchecked input in le_read_buffer_size_complete. An attacker with physical access can use a defect bluetooth controller and perform a denial of service (DoS) attack.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Zephyr: 1.0.0 - 3.2.0

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External links
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-wc2h-h868-q7hj

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Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.