CVE-2020-28914

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Summary

CVECVE-2020-28914
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-11-17 22:15:00 UTC
Updated2020-12-04 15:25:00 UTC
DescriptionAn 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.

Risk And Classification

Problem Types: CWE-732

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Katacontainers Kata-containers All All All All
Application Katacontainers Kata-containers All All All All

References

ReferenceSourceLinkTags
Backports: Read-only mount fixes for 1.11 by amshinde · Pull Request #3051 · kata-containers/runtime · GitHub MISC github.com Third Party Advisory
Release # Release 1.12.0 · kata-containers/runtime · GitHub MISC github.com Release Notes, Third Party Advisory
readonly volume should be bind mounted readonly on the host by bergwolf · Pull Request #3042 · kata-containers/runtime · GitHub MISC github.com Third Party Advisory
Release # Release 1.11.5 · kata-containers/runtime · GitHub MISC github.com Release Notes, Third Party Advisory
runtime: readonly volume should be bind mounted readonly on the host by bergwolf · Pull Request #1062 · kata-containers/kata-containers · GitHub MISC github.com Third Party Advisory
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