CVE-2023-5753— Potential buffer overflow vulnerabilities in the Zephyr Bluetooth 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 3.4.0及之前版本存在安全漏洞，该漏洞源于由于/subsys/bluetooth/host/hci_core.c中的断言被禁用，蓝牙子系统中可能存在缓冲区溢出。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2023-5753
Vulnerability Information
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Vulnerability Title
Potential buffer overflow vulnerabilities in the Zephyr Bluetooth subsystem
Source: CVE Program / CVE List V5
Vulnerability Description
Potential buffer overflows in the Bluetooth subsystem due to asserts being disabled in /subsys/bluetooth/host/hci_core.c
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:L
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 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 3.4.0及之前版本存在安全漏洞，该漏洞源于由于/subsys/bluetooth/host/hci_core.c中的断言被禁用，蓝牙子系统中可能存在缓冲区溢出。
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 | * ~ 3.5 | - |
|
II. Public POCs for CVE-2023-5753
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2023-5753 (1)
Exploits & Public PoCs for CVE-2023-5753 (1)
Mailing List Discussions for CVE-2023-5753 (2)
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V. Comments for CVE-2023-5753
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