PT-2020-11896 · Zephyr · Zephyr

Published 2020-06-05 · Updated 2020-06-12 · CVE-2020-10070

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions zephyr version 2.2.0 and later versions

Description The issue is related to improper bounds checking in the Zephyr Project MQTT code, which can lead to memory corruption and possibly remote code execution.

Recommendations For zephyr version 2.2.0 and later versions, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Integer Overflow

Buffer Overflow

Weakness Enumeration

CWE-190

CWE-120

Related Identifiers

CVE-2020-10070

Affected Products

Zephyr

References · 6

• https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/0b39cbf3c01d7feec9d0dd7cc7e0e374b6113542 · Patch
• https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10070 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-10070 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-10070 · Security Note
• https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment · Note
• https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-85 · Note