Vulnerability in Katacontainers Kata-Containers
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (28.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/kata-containers/kata-containers/pull/1062 (Third Party Advisory)
- github.com/kata-containers/runtime/pull/3042 (Third Party Advisory)
- github.com/kata-containers/runtime/pull/3051 (Third Party Advisory)
- github.com/kata-containers/runtime/releases/tag/1.12.0 (Third Party Advisory, Release Notes)
- github.com/kata-containers/runtime/releases/tag/1.11.5 (Third Party Advisory, Release Notes)
Frequently asked questions
- What is CVE-2020-28914?
- CVE-2020-28914 is a high-severity vulnerability in Katacontainers Kata-Containers, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.1/10. Published 2020-11-17.
- How severe is CVE-2020-28914?
- High severity. CVSS v3 base score is 7.1 out of 10.