Vulnerability identifier: #VU34393
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:
CWE-ID:
CWE-697
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.
An attacker who has obtained code execution within a user thread is able to elevate privileges to that of the kernel. See NCC-ZEP-001 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-2020-10027
http://github.com/zephyrproject-rtos/zephyr/pull/23328
http://github.com/zephyrproject-rtos/zephyr/pull/23499
http://github.com/zephyrproject-rtos/zephyr/pull/23500
http://zephyrprojectsec.atlassian.net/browse/ZEPSEC-35
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.