PT-2020-11865 · Zephyr · Zephyr

Gerson Fernando Budke · Published 2020-05-11 · Updated 2020-06-05 · CVE-2020-10022

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 zephyrproject-rtos zephyr versions 2.1.0 through 2.2.0 and later versions.

Description A malformed JSON payload received from an UpdateHub server may cause memory corruption in the Zephyr OS, potentially leading to a denial of service or code execution.

Recommendations For zephyrproject-rtos zephyr versions 2.1.0 and later, update to a version that includes the fix for this issue. For zephyrproject-rtos zephyr versions 2.2.0 and later, update to a version that includes the fix for this issue. As a temporary workaround, consider restricting the reception of JSON payloads from UpdateHub servers until a patch is available.

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2020-10022

Affected Products

Zephyr

References · 7

• https://github.com/zephyrproject-rtos/zephyr/pull/24066 · Patch
• https://github.com/zephyrproject-rtos/zephyr/pull/24065 · Patch
• https://github.com/zephyrproject-rtos/zephyr/pull/24154 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2020-10022 · Security Note
• https://osv.dev/vulnerability/CVE-2020-10022 · Vendor Advisory
• https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-28 · Note
• https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10022 · Note