Remote Denial of Service in CoAP Option Parsing Due To Integer Overflow (zephyrproject-rtos zephyr)
At a glance
- Source
- NVD
- EPSS
- EPSS 1.80 % · percentile 79 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- zephyr
- NVD status
- Modified
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.
Weaknesses (CWE)
- CWE-190 — Integer Overflow or Wraparound
References
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-55
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10063
- https://github.com/zephyrproject-rtos/zephyr/pull/24435
- https://github.com/zephyrproject-rtos/zephyr/pull/24531
- https://github.com/zephyrproject-rtos/zephyr/pull/24535
- https://github.com/zephyrproject-rtos/zephyr/pull/24530
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 6.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H | zephyr |
| CVSS 3.1 | MEDIUM 6.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H | NVD · vulnerabilities@zephyrproject.org (Secondary) |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2020-2528
- GCVE · GCVE-0-2020-10063
Affected configurations (NVD CPE)
cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*≤ 2.2.0
Affected products
| Product | Versions |
|---|---|
| zephyrproject-rtos · zephyr | affected 2.2.0 < unspecified ; affected 2.1.0 < unspecified ; affected 1.14.0 < unspecified |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |