Vulnerability Details CVE-2020-28914
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 16.5%
CVSS Severity
CVSS v3 Score 7.1
CVSS v2 Score 3.6
References
- https://github.com/kata-containers/kata-containers/pull/1062
- https://github.com/kata-containers/runtime/pull/3042
- https://github.com/kata-containers/runtime/pull/3051
- https://github.com/kata-containers/runtime/releases/tag/1.11.5
- https://github.com/kata-containers/runtime/releases/tag/1.12.0
- https://github.com/kata-containers/kata-containers/pull/1062
- https://github.com/kata-containers/runtime/pull/3042
- https://github.com/kata-containers/runtime/pull/3051
- https://github.com/kata-containers/runtime/releases/tag/1.11.5
- https://github.com/kata-containers/runtime/releases/tag/1.12.0
Products affected by CVE-2020-28914
-
cpe:2.3:a:katacontainers:kata-containers:*