PT-2020-11864 · Zephyr · Zephyr

Jfischer-No + 1 · Published 2020-05-11 · Updated 2020-06-05 · CVE-2020-10021

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions zephyr versions 1.14.1 through 2.1.0 and later versions.

Description The issue is related to an out-of-bounds write in the USB Mass Storage memoryWrite handler with unaligned sizes. This affects the zephyrproject-rtos.

Recommendations For versions 1.14.1 through 2.1.0 and later versions, at the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2020-10021

Affected Products

Zephyr

References · 7

• https://github.com/zephyrproject-rtos/zephyr/pull/23456 · Patch
• https://github.com/zephyrproject-rtos/zephyr/pull/23455 · Patch
• https://github.com/zephyrproject-rtos/zephyr/pull/23240 · Patch
• https://osv.dev/vulnerability/CVE-2020-10021 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-10021 · Security Note
• https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-26 · Note
• https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10021 · Note