What is CVE-2023-0396?

CVE-2023-0396 is a medium-severity vulnerability in Zephyrproject Zephyr, classified under Buffer Over-read. CVSS score: 6.8/10. Published 2023-01-25.

How severe is CVE-2023-0396?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Out-of-bounds Read in Zephyrproject Zephyr

CVE-2023-0396

A malicious / defective bluetooth controller can cause buffer overreads in the most functions that process HCI command responses.

EPSS: 0.004 (34.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Zephyrproject Zephyr
Zephyrproject-rtos Zephyr — versions unspecified

Weakness classification (CWE)

CWE-126 — Buffer Over-read
CWE-125 — Out-of-bounds Read

References

vulnerabilities@zephyrproject.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-0396?: CVE-2023-0396 is a medium-severity vulnerability in Zephyrproject Zephyr, classified under Buffer Over-read. CVSS score: 6.8/10. Published 2023-01-25.
How severe is CVE-2023-0396?: Medium severity. CVSS v3 base score is 6.8 out of 10.