What is CVE-2023-4424?

CVE-2023-4424 is a high-severity vulnerability in Zephyrproject-rtos Zephyr, classified under Integer Overflow or Wraparound. CVSS score: 8.3/10. Published 2023-11-21.

How severe is CVE-2023-4424?

High severity. CVSS v3 base score is 8.3 out of 10.

Is CVE-2023-4424 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Integer overflow in Zephyrproject-rtos Zephyr

CVE-2023-4424

An malicious BLE device can cause buffer overflow by sending malformed advertising packet BLE device using Zephyr OS, leading to DoS or potential RCE on the victim BLE device.

Vulnerability class: Integer Overflow

EPSS: 0.001 (33.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H.

Affected products

Zephyrproject-rtos Zephyr

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

Public proof-of-concept exploits

zoolab-org/blueman.artifact

References

github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-j4qm-xgpf-qjw3

Frequently asked questions

What is CVE-2023-4424?: CVE-2023-4424 is a high-severity vulnerability in Zephyrproject-rtos Zephyr, classified under Integer Overflow or Wraparound. CVSS score: 8.3/10. Published 2023-11-21.
How severe is CVE-2023-4424?: High severity. CVSS v3 base score is 8.3 out of 10.
Is CVE-2023-4424 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.