Buffer overflow in Zephyrproject Zephyr
CVE-2023-4257
Unchecked user input length in /subsys/net/l2/wifi/wifi_shell.c can cause buffer overflows.
Vulnerability class: Buffer Overflow
EPSS: 0.009 (55.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H.
Affected products
- Zephyrproject Zephyr
- Zephyrproject-rtos Zephyr — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vulnerabilities@zephyrproject.org (Exploit, Vendor Advisory)
- vulnerabilities@zephyrproject.org (Mailing List)
- vulnerabilities@zephyrproject.org (Mailing List, Third Party Advisory)
- vulnerabilities@zephyrproject.org (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-4257?
- CVE-2023-4257 is a high-severity vulnerability in Zephyrproject Zephyr, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.6/10. Published 2023-10-13.
- How severe is CVE-2023-4257?
- High severity. CVSS v3 base score is 7.6 out of 10.
- Is CVE-2023-4257 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.