CVE-2023-2234— BT HCI host union variant confusion
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，该漏洞源于允许任何恶意BT控制器在主机上执行任意代码。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-2234
Vulnerability Information
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Vulnerability Title
BT HCI host union variant confusion
Source: CVE Program / CVE List V5
Vulnerability Description
Union variant confusion allows any malicious BT controller to execute arbitrary code on the Zephyr host.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用不兼容类型访问资源(类型混淆)
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存在安全漏洞，该漏洞源于允许任何恶意BT控制器在主机上执行任意代码。
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 | * ~ 3.3 | - |
|
II. Public POCs for CVE-2023-2234
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · zephyrproject-rtos · 2023-07-10 · 4 CVEs total
| CVE-2023-1902 | 5.9 MEDIUM | HCI Connection Creation Dangling State Reference Re-use |
| CVE-2023-1901 | 5.9 MEDIUM | HCI send_sync Dangling Semaphore Reference Re-use |
| CVE-2023-0359 | 5.9 MEDIUM | ipv6: Missing ipv6 nullptr-check in handle_ra_input |
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V. Comments for CVE-2023-2234
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