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CVE-2020-10068— Zephyr Bluetooth DLE duplicate requests vulnerability

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是美国Linux基金会的一套开源的小型的可缩放的实时操作系统。 Zephyr 2.2.0及之后版本和1.14.0及之后版本中的Bluetooth子系统存在输入验证错误漏洞。攻击者可通过连续发送相同的数据包利用该漏洞导致拒绝服务。

CVSS 5.1 · Medium EPSS 0.49% · P40
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I. Basic Information for CVE-2020-10068

Vulnerability Information
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Vulnerability Title
Zephyr Bluetooth DLE duplicate requests vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
In the Zephyr project Bluetooth subsystem, certain duplicate and back-to-back packets can cause incorrect behavior, resulting in a denial of service. This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions, and version 1.14.0 and later versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Zephyr 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zephyr是美国Linux基金会的一套开源的小型的可缩放的实时操作系统。 Zephyr 2.2.0及之后版本和1.14.0及之后版本中的Bluetooth子系统存在输入验证错误漏洞。攻击者可通过连续发送相同的数据包利用该漏洞导致拒绝服务。
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 2.2.0 ~ unspecified -

II. Public POCs for CVE-2020-10068

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III. Intelligence Information for CVE-2020-10068

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Patches & Fixes for CVE-2020-10068 (4)

Other References for CVE-2020-10068 (2)

Same Patch Batch · zephyrproject-rtos · 2020-06-05 · 6 CVEs total

CVE-2020-10062 9.0 CRITICAL Packet length decoding error in MQTT
CVE-2020-10070 9.0 CRITICAL MQTT buffer overflow on receive buffer
CVE-2020-10071 9.0 CRITICAL Insufficient publish message length validation in MQTT
CVE-2020-10061 8.1 HIGH Error handling invalid packet sequence
CVE-2020-10063 6.8 MEDIUM Remote Denial of Service in CoAP Option Parsing Due To Integer Overflow

IV. Related Vulnerabilities

Same product: zephyr
Same vendor: zephyrproject-rtos
Same weakness: CWE-20

V. Comments for CVE-2020-10068

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