CVE-2023-4257 — Classic Buffer Overflow in Zephyr

CWE-120 — Classic Buffer OverflowCWE-131 — Incorrect Calculation of Buffer Size2 documents2 sources
Severity
9.8CRITICALNVD
CNA7.6
EPSS
0.4%
top 37.25%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Zephyrproject-rtos ZephyrZephyrproject Zephyr
Timeline
PublishedOct 13

Description

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

🔴Vulnerability Details

1
CVEList
Unchecked user input length in the Zephyr WiFi shell module↗2023-10-13
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CVE-2023-4257 — Classic Buffer Overflow in Zephyr | cvebase