CVE-2023-4257

Unchecked user input length in the Zephyr WiFi shell module

State: Published
Severity: 7.6 High
Published: Oct 13, 2023
Updated: Feb 13, 2025
Reserved: Aug 8, 2023

Description

Unchecked user input length in /subsys/net/l2/wifi/wifi_shell.c can cause buffer overflows.

Scores

CVSS	Score	Vector	Source
3.1	7.6 High	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H	zephyr

Weaknesses

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-131 Incorrect Calculation of Buffer Size

Affected Products

Product	Versions
Zephyrzephyrproject-rtos	3.4 and earlierAffected

References

https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-853q-q69w-gf5j
http://www.openwall.com/lists/oss-security/2023/11/07/1
http://seclists.org/fulldisclosure/2023/Nov/1
http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html

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