Input validation error in zephyr - CVE-2020-10068
Published: June 5, 2020 / Updated: August 9, 2020
Vulnerability identifier: #VU41110
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-10068
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
zephyr
zephyr
Software vendor:
rutantan
rutantan
Description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
In the Zephyr project Bluetooth subsystem, certain duplicate and back-to-back packets can cause incorrect behavior, resulting in a denial of service. This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions, and version 1.14.0 and later versions.
Remediation
Install update from vendor's website.
External links
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10068
- https://github.com/zephyrproject-rtos/zephyr/pull/23091
- https://github.com/zephyrproject-rtos/zephyr/pull/23707
- https://github.com/zephyrproject-rtos/zephyr/pull/23708
- https://github.com/zephyrproject-rtos/zephyr/pull/23964
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-78