Integer Overflow In is_in_region Allows User Thread To Access Kernel Memory (zephyrproject-rtos zephyr)
En bref
- Source
- NVD
- EPSS
- EPSS 0.45 % · centile 39 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- zephyr
- Statut NVD
- Modified
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Description
A malicious userspace application can cause a integer overflow and bypass security checks performed by system call handlers. The impact would depend on the underlying system call and can range from denial of service to information leak to memory corruption resulting in code execution within the kernel. See NCC-ZEP-005 This issue affects: zephyrproject-rtos zephyr version 1.14.1 and later versions. version 2.1.0 and later versions.
Faiblesses (CWE)
- CWE-190 — Débordement d'entier
Références
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-27
- https://github.com/zephyrproject-rtos/zephyr/pull/23239
- https://github.com/zephyrproject-rtos/zephyr/pull/23653
- https://github.com/zephyrproject-rtos/zephyr/pull/23654
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10067
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H | zephyr |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H | NVD · vulnerabilities@zephyrproject.org (Secondary) |
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | HIGH 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C | NVD · nvd@nist.gov (Primary) |
Références européennes
- ENISA EUVD · EUVD-2020-2532
- GCVE · GCVE-0-2020-10067
Configurations affectées (CPE NVD)
cpe:2.3:o:zephyrproject:zephyr:1.14.1:*:*:*:*:*:*:*cpe:2.3:o:zephyrproject:zephyr:2.1.0:*:*:*:*:*:*:*
Produits affectés
| Produit | Versions |
|---|---|
| zephyrproject-rtos · zephyr | affected 1.14.1 < unspecified ; affected 2.1.0 < 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 |