CVE-2023-3725— Potential buffer overflow vulnerability in the Zephyr CANbus subsystem
Quick assessment
Affected
zephyrproject-rtos Zephyr
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Zephyr是Zephyr Project开源的一个可扩展的实时操作系统 (RTOS)。 Zephyr 存在安全漏洞，该漏洞源于subsys/canbus/isotp/isotp.c 中存在断言和基于堆栈的缓冲区溢出。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-3725
Vulnerability Information
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Vulnerability Title
Potential buffer overflow vulnerability in the Zephyr CANbus subsystem
Source: CVE Program / CVE List V5
Vulnerability Description
Potential buffer overflow vulnerability in the Zephyr CAN bus subsystem
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Zephyr 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zephyr是Zephyr Project开源的一个可扩展的实时操作系统 (RTOS)。 Zephyr 存在安全漏洞，该漏洞源于subsys/canbus/isotp/isotp.c 中存在断言和基于堆栈的缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr | * ~ 3.4 | - |
|
II. Public POCs for CVE-2023-3725
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2023-3725 (1)
Exploits & Public PoCs for CVE-2023-3725 (1)
Mailing List Discussions for CVE-2023-3725 (2)
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V. Comments for CVE-2023-3725
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