CVE-2023-4257 : Unchecked user input length in /subsys/net/l2/wifi/wifi

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

Published 2023-10-13 22:15:10

Updated 2024-01-12 22:03:43

Source Zephyr Project

View at NVD, CVE.org

Vulnerability category: Overflow

Products affected by CVE-2023-4257

Zephyrproject » Zephyr
Versions up to, including, (<=) 3.4.0
cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.11%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 45 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
7.6	HIGH	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H	2.8	4.7	Zephyr Project
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: Low Availability: High

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

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

Assigned by: vulnerabilities@zephyrproject.org (Secondary)
CWE-131 Incorrect Calculation of Buffer Size

The product does not correctly calculate the size to be used when allocating a buffer, which could lead to a buffer overflow.
Assigned by:
- nvd@nist.gov (Primary)
- vulnerabilities@zephyrproject.org (Secondary)

http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html

Zephyr RTOS 3.x.0 Buffer Overflows ≈ Packet Storm
Exploit;Third Party Advisory

CVEs referencing this url
https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-853q-q69w-gf5j

Unchecked user input length in the Zephyr WiFi shell module · Advisory · zephyrproject-rtos/zephyr · GitHub
Exploit;Vendor Advisory
http://www.openwall.com/lists/oss-security/2023/11/07/1

oss-security - HNS-2023-03 - HN Security Advisory - Multiple vulnerabilities in Zephyr RTOS
Mailing List

CVEs referencing this url
http://seclists.org/fulldisclosure/2023/Nov/1

Full Disclosure: HNS-2023-03 - HN Security Advisory - Multiple vulnerabilities in Zephyr RTOS
Mailing List;Third Party Advisory

CVEs referencing this url

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