by Kastro
Paper/Archive/CVE-2020-10062

CVE-2020-10062

zephyrproject-rtos zephyr — Packet length decoding error in MQTT

EPSS 3%CVSS 9.8
critical.is priorityof 100
47
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 86.8.868 × 2017.4No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

An off-by-one error in the Zephyr project MQTT packet length decoder can result in memory corruption and possible remote code execution. NCC-ZEP-031 This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions.

Affected

ProductAffectedFixed inSource
zephyr2.2.0 – < unspecifiedunspecifiedCNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
zephyr (CNA)9.0CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

References

refzephyrprojectsec.atlassian.net/browse/ZEPSEC-84refdocs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10062refgithub.com/zephyrproject-rtos/zephyr/pull/23821/commits/11b7a37d9a0b438270421b224221d91929843de4refresearch.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment