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

CVE-2023-4257

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

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

HIGH · CVSS 7.6 EPSS 0.00433
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

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

Affected Products & Versions

1
zephyrproject zephyr<= 3.4.0
⚠

Public Exploits & PoCs

2
pocpacketstormsecurity.com · Zephyr-RTOS-3.x.0-Buffer-Overflows.htmlpacketstormsecurity.com
pocgithub.com · GHSA-853q-q69w-gf5jgithub.com
▣

Scoring & Timeline

7.6
HIGH · CVSS v3.1 · vulnerabilities@zephyrproject.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Oct 2023 · 10:15 PM
CVSS VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://seclists.org/fulldisclosure/2023/Nov/1Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2023/11/07/1Mailing List
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