CVE-2023-6749— Unchecked user input length in the Zephyr Settings Shell
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 3.5及之前版本存在安全漏洞，该漏洞源于Shell 设置未检查的用户输入长度。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-6749
Vulnerability Information
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Vulnerability Title
Unchecked user input length in the Zephyr Settings Shell
Source: CVE Program / CVE List V5
Vulnerability Description
Unchecked length coming from user input in settings shell
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
zephyr 安全漏洞
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 3.5及之前版本存在安全漏洞，该漏洞源于Shell 设置未检查的用户输入长度。
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 | * ~ 3.5 | - |
|
II. Public POCs for CVE-2023-6749
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2023-6749 (1)
Same Patch Batch · zephyrproject-rtos · 2024-02-18 · 3 CVEs total
| CVE-2023-6249 | 8.0 HIGH | ipm: signed to unsigned conversion problem in esp32_ipm_send |
| CVE-2023-5779 | 4.4 MEDIUM | can: out of bounds in remove_rx_filter function |
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V. Comments for CVE-2023-6749
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