CVE-2020-10062

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9 CRITICAL
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
zephyrCNA
9 CRITICAL
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 90%
VendorProductVersion
zephyrprojectzephyr
𝑥
≤ 2.2.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10062
https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/11b7a37d9a0b438270421b224221d91929843de4
https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-84
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10062
https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/11b7a37d9a0b438270421b224221d91929843de4
https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-84