PT-2020-11895 · Zephyr · Zephyr

Cvinayak + 1 · Published 2020-06-05 · Updated 2020-06-12 · CVE-2020-10068

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 the Bluetooth subsystem in the Zephyr project, where certain duplicate and back-to-back packets can cause incorrect behavior. This results in a denial of service.

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

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2020-10068

Affected Products

Zephyr

References · 8

• https://github.com/zephyrproject-rtos/zephyr/pull/23708 · Patch
• https://github.com/zephyrproject-rtos/zephyr/pull/23964 · Patch
• https://github.com/zephyrproject-rtos/zephyr/pull/23091 · Patch
• https://github.com/zephyrproject-rtos/zephyr/pull/23707 · Patch
• https://osv.dev/vulnerability/CVE-2020-10068 · Vendor Advisory
• https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10068 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-10068 · Security Note
• https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-78 · Note