CVE Vulnerability

CVE-2020-10071

The Zephyr MQTT parsing code performs insufficient checking of the length field on publish messages, allowing a buffer overflow and potentially remote code execution. NCC-ZEP-031 This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10071 Vendor Advisory
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-86 Third Party Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/989c4713ba429aa5105fe476b4d629718f3e6082 Patch Third Party Advisory
https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment Third Party Advisory
Configurations

Configuration 1

cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*
Information

Published : 2020-06-05 06:15

Updated : 2020-06-12 02:28

NVD link : CVE-2020-10071

Mitre link : CVE-2020-10071

Products Affected
No products.
CWE
CWE-120