CVE-2021-25741
A security issue was discovered in Kubernetes where a user may be able to create a container with subpath volume mounts to access files & directories outside of the volume, including on the host filesystem.
02 / AFFECTED SOFTWARE
Affected packages
175 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
A security issue was discovered in Kubernetes where a user may be able to create a container with subpath volume mounts to access files & directories outside of the volume, including on the host filesystem.
A security issue was discovered in Kubernetes where a user may be able to create a container with subpath volume mounts to access files & directories outside of the volume, including on the host filesystem.
Files or Directories Accessible to External Parties in kubernetes in k8s.io/kubernetes
05 / REFERENCES
Further evidence
- https://github.com/kubernetes/kubernetes/issues/104980
- https://groups.google.com/g/kubernetes-security-announce/c/nyfdhK24H7s
- https://security.netapp.com/advisory/ntap-20211008-0006/
- https://github.com/bottlerocket-os/bottlerocket/security/advisories/GHSA-f5f7-6478-qm6p
- https://github.com/kubernetes/kubernetes
- https://nvd.nist.gov/vuln/detail/CVE-2021-25741
- https://security.netapp.com/advisory/ntap-20211008-0006