PT-2020-11862 · Zephyr · Zephyr

Published 2020-05-11 · Updated 2020-06-05 · CVE-2020-10019

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 a potential buffer overflow in USB DFU where the requested length is not checked against the buffer size. This could be exploited by a malicious USB host.

Recommendations For zephyr 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

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2020-10019

Affected Products

Zephyr

References · 7

• https://github.com/zephyrproject-rtos/zephyr/pull/23457 · Patch
• https://github.com/zephyrproject-rtos/zephyr/pull/23460 · Patch
• https://github.com/zephyrproject-rtos/zephyr/pull/23190 · Patch
• https://osv.dev/vulnerability/CVE-2020-10019 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-10019 · Security Note
• https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-25 · Note
• https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10019 · Note