Vulnerability · Published Jun 5, 2020 · Assigned by zephyr
CVE-2020-10063Remote Denial of Service in CoAP Option Parsing Due To Integer Overflow
Medium 6.8
In plain English
A medium-severity integer 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 1.8% (higher than 79% of all known vulnerabilities).
Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)1.8%top 21.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A remote adversary with the ability to send arbitrary CoAP packets to be parsed by Zephyr is able to cause a denial of service. This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| zephyrproject-rtos | zephyr | 2.2.0 – before unspecified2.1.0 – before unspecified1.14.0 – before unspecified |
Weakness: CWE-190 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
References
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-55 x_refsource_MISC
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10063 x_refsource_MISC
- https://github.com/zephyrproject-rtos/zephyr/pull/24435 x_refsource_MISC
- https://github.com/zephyrproject-rtos/zephyr/pull/24531 x_refsource_MISC
- https://github.com/zephyrproject-rtos/zephyr/pull/24535 x_refsource_MISC
- https://github.com/zephyrproject-rtos/zephyr/pull/24530 x_refsource_MISC