high8.1
CVE-2021-25741
Files or Directories Accessible to External Parties in kubernetes
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | k8s.io/kubernetes | < 1.19.15 | 1.19.15 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Kubernetes | Kubernetes | through 1.19.14 from 1.20.0 through 1.20.10 from 1.21.0 through 1.21.4 from 1.22.0 through 1.22.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- 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/advisories/GHSA-f5f7-6478-qm6p
- https://github.com/bottlerocket-os/bottlerocket/security/advisories/GHSA-f5f7-6478-qm6p
- https://nvd.nist.gov/vuln/detail/CVE-2021-25741