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CVE-2023-4424— bt: hci: DoS and possible RCE

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 3.4及之前版本存在安全漏洞，该漏洞源于发送格式错误的广告数据包会导致缓冲区溢出，从而导致拒绝服务或潜在的远程代码执行。

CVSS 8.3 · High EPSS 0.39% · P31
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I. Basic Information for CVE-2023-4424

Vulnerability Information
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Vulnerability Title
bt: hci: DoS and possible RCE
Source: CVE Program / CVE List V5
Vulnerability Description
An malicious BLE device can cause buffer overflow by sending malformed advertising packet BLE device using Zephyr OS, leading to DoS or potential RCE on the victim BLE device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
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 3.4及之前版本存在安全漏洞，该漏洞源于发送格式错误的广告数据包会导致缓冲区溢出，从而导致拒绝服务或潜在的远程代码执行。
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-2023-4424

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III. Intelligence Information for CVE-2023-4424

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Vendor Advisories for CVE-2023-4424 (1)

IV. Related Vulnerabilities

Same product: Zephyr
Same vendor: zephyrproject-rtos
Same weakness: CWE-190

V. Comments for CVE-2023-4424

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