Buffer overflow in Zephyrproject Zephyr
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 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.
Vulnerability class: Buffer Overflow
EPSS: 0.005 (38.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.9 (Medium). Vector: CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H.
Affected products
- Zephyrproject Zephyr — versions 1.14.1, 2.1.0
- Zephyrproject-rtos Zephyr — versions 1.14.0, 2.1.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vulnerabilities@zephyrproject.org (Third Party Advisory, x_refsource_MISC)
- vulnerabilities@zephyrproject.org (Patch, Third Party Advisory, x_refsource_MISC)
- vulnerabilities@zephyrproject.org (Patch, Third Party Advisory, x_refsource_MISC)
- vulnerabilities@zephyrproject.org (Patch, Third Party Advisory, x_refsource_MISC)
- vulnerabilities@zephyrproject.org (x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-10023?
- CVE-2020-10023 is a medium-severity vulnerability in Zephyrproject Zephyr, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.9/10. Published 2020-05-11.
- How severe is CVE-2020-10023?
- Medium severity. CVSS v3 base score is 6.9 out of 10.
- Is CVE-2020-10023 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.