Medium severity · published May 11, 2020
CVE-2020-10023
The shell subsystem contains a buffer overflow, whereby an adversary with physical access to the device is able to cause a memory corruption, resulting in denial of service or…
6.8
CVSS
0.5%
EPSS
No
On KEV
Description
The shell subsystem contains a buffer overflow, whereby an adversary with physical access to the device is able to cause a memory corruption, resulting in denial of service or possibly code execution within the Zephyr kernel. See NCC-NCC-019 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions.
CVSS vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Physical
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZE
Zephyr · Zephyrproject
1.14.1; 2.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-10023
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-10023
docs.zephyrproject.org
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10023
Patch
https://github.com/zephyrproject-rtos/zephyr/pull/23304
Patch
https://github.com/zephyrproject-rtos/zephyr/pull/23646
Patch
https://github.com/zephyrproject-rtos/zephyr/pull/23649
Third Party Advisory
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-29
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