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.
Does this matter?
Lower severity and a low EPSS score (0.47%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 6.8 MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.47% probability · 40th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- zephyrproject/zephyr
- Source
- vulnerabilities@zephyrproject.org
References
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10023
- https://github.com/zephyrproject-rtos/zephyr/pull/23304Patch, Third Party Advisory
- https://github.com/zephyrproject-rtos/zephyr/pull/23646Patch, Third Party Advisory
- https://github.com/zephyrproject-rtos/zephyr/pull/23649Patch, Third Party Advisory
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-29Third Party Advisory
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10023
- https://github.com/zephyrproject-rtos/zephyr/pull/23304Patch, Third Party Advisory
- https://github.com/zephyrproject-rtos/zephyr/pull/23646Patch, Third Party Advisory
- https://github.com/zephyrproject-rtos/zephyr/pull/23649Patch, Third Party Advisory
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-29Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.