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CVE-2023-0396— Buffer Overreads in Bluetooth HCI

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 3.2及之前版本存在安全漏洞，该漏洞源于恶意/有缺陷的蓝牙控制器会导致大多数处理HCI命令响应的函数发生缓冲区重读。

AI Predicted 5.5 Difficulty: Hard EPSS 0.43% · P34

Possible ATT&CK Techniques 1 AI

T1200 · Hardware Additions
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I. Basic Information for CVE-2023-0396

Vulnerability Information
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Vulnerability Title
Buffer Overreads in Bluetooth HCI
Source: CVE Program / CVE List V5
Vulnerability Description
A malicious / defective bluetooth controller can cause buffer overreads in the most functions that process HCI command responses.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
缓冲区上溢读取
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 3.2及之前版本存在安全漏洞，该漏洞源于恶意/有缺陷的蓝牙控制器会导致大多数处理HCI命令响应的函数发生缓冲区重读。
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 unspecified ~ v3.2 -

II. Public POCs for CVE-2023-0396

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III. Intelligence Information for CVE-2023-0396

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Vendor Advisories for CVE-2023-0396 (1)

Same Patch Batch · zephyrproject-rtos · 2023-01-19 · 3 CVEs total

CVE-2023-0397 9.6 CRITICAL DoS: Invalid Initialization in le_read_buffer_size_complete
CVE-2022-3806 Bluetooth HCI Error Handling Double Free

IV. Related Vulnerabilities

Same product: zephyr
Same vendor: zephyrproject-rtos
Same weakness: CWE-126

V. Comments for CVE-2023-0396

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