by Kastro
Paper/Archive/CVE-2020-10070

CVE-2020-10070

zephyrproject-rtos zephyr — MQTT buffer overflow on receive buffer

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

In the Zephyr Project MQTT code, improper bounds checking can result in memory corruption and possibly 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

refresearch.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessmentrefzephyrprojectsec.atlassian.net/browse/ZEPSEC-85refdocs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10070refgithub.com/zephyrproject-rtos/zephyr/pull/23821/commits/0b39cbf3c01d7feec9d0dd7cc7e0e374b6113542