Vulnerability · Published May 11, 2020 · Assigned by zephyr
CVE-2020-10023Shell Subsystem Contains a Buffer Overflow Vulnerability In shell_spaces_trim
Medium 6.9
In plain English
A medium-severity buffer overflow in zephyr from zephyrproject-rtos. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).
Severity (CVSS 3.1)6.9Medium
Exploit odds (30 days)0.5%top 58.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| zephyrproject-rtos | zephyr | 1.14.0 – before unspecified2.1.0 – before unspecified |
Weakness: CWE-120 · Vector: CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
References
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-29 x_refsource_MISC
- https://github.com/zephyrproject-rtos/zephyr/pull/23304 x_refsource_MISC
- https://github.com/zephyrproject-rtos/zephyr/pull/23646 x_refsource_MISC
- https://github.com/zephyrproject-rtos/zephyr/pull/23649 x_refsource_MISC
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10023 x_refsource_MISC