#VU34394 Input validation error in zephyr


Published: 2020-05-12 | Updated: 2020-08-08

Vulnerability identifier: #VU34394

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-10028

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
zephyr
Other software / Other software solutions

Vendor: rutantan

Description

The vulnerability allows a local authenticated user to execute arbitrary code.

Multiple syscalls with insufficient argument validation See NCC-ZEP-006 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions.

Mitigation
Install update from vendor's website.

Vulnerable software versions

zephyr: 1.14.0 - 2.1.0


External links
http://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10028
http://github.com/zephyrproject-rtos/zephyr/pull/23308
http://github.com/zephyrproject-rtos/zephyr/pull/23733
http://github.com/zephyrproject-rtos/zephyr/pull/23737
http://zephyrprojectsec.atlassian.net/browse/ZEPSEC-32


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability