PT-2020-11891 · Zephyr · Zephyr

Cvinayak + 1 · Published 2020-06-05 · Updated 2021-10-18 · CVE-2020-10061

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:A/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 1.14.0 through 2.2.0 and later versions.

Description The issue is related to improper handling of the full-buffer case in the Zephyr Bluetooth implementation, which can result in memory corruption.

Recommendations For versions 1.14.0 and later, consider disabling Bluetooth functionality until a patch is available. For versions 2.2.0 and later, consider restricting access to the Bluetooth module to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-119

CWE-787

Related Identifiers

CVE-2020-10061

Affected Products

Zephyr

References · 8

• https://github.com/zephyrproject-rtos/zephyr/pull/23517 · Patch
• https://github.com/zephyrproject-rtos/zephyr/pull/23091 · Patch
• https://github.com/zephyrproject-rtos/zephyr/pull/23516 · Patch
• https://github.com/zephyrproject-rtos/zephyr/pull/23547 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2020-10061 · Security Note
• https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10061 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-10061 · Vendor Advisory
• https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-75 · Note