CVE-2020-28914
Last modified
CVE-2020-28914 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. An improper file permissions vulnerability affects Kata Containers prior to 1.11.5. When using a Kubernetes hostPath volume and mounting either a file or directory into a container as readonly, the file/directory is mounted as readOnly inside the container, but is still writable inside the guest. EPSS estimates a 0.37% chance of exploitation in the next 30 days.
Description
An improper file permissions vulnerability affects Kata Containers prior to 1.11.5. When using a Kubernetes hostPath volume and mounting either a file or directory into a container as readonly, the file/directory is mounted as readOnly inside the container, but is still writable inside the guest. For a container breakout situation, a malicious guest can potentially modify or delete files/directories expected to be read-only.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Katacontainers | Kata-Containers | < 1.11.5 |
References
- https://github.com/kata-containers/kata-containers/pull/1062Third Party Advisory
- https://github.com/kata-containers/runtime/pull/3042Third Party Advisory
- https://github.com/kata-containers/runtime/pull/3051Third Party Advisory
- https://github.com/kata-containers/runtime/releases/tag/1.11.5Release Notes, Third Party Advisory
- https://github.com/kata-containers/runtime/releases/tag/1.12.0Release Notes, Third Party Advisory
- https://github.com/kata-containers/kata-containers/pull/1062Third Party Advisory
- https://github.com/kata-containers/runtime/pull/3042Third Party Advisory
- https://github.com/kata-containers/runtime/pull/3051Third Party Advisory
- https://github.com/kata-containers/runtime/releases/tag/1.11.5Release Notes, Third Party Advisory
- https://github.com/kata-containers/runtime/releases/tag/1.12.0Release Notes, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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