medium5.3
CVE-2020-8566
Sensitive Information leak via Log File in Kubernetes
Impact
In Kubernetes clusters using Ceph RBD as a storage provisioner, with logging level of at least 4, Ceph RBD admin secrets can be written to logs. This occurs in kube-controller-manager's logs during provisioning of Ceph RBD persistent claims. This affects < v1.19.3, < v1.18.10, < v1.17.13.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/kubernetes/kubernetes | < 1.17.13 | 1.17.13 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Kubernetes | Kubernetes | from 1.17.0 before 1.17.13 from 1.18.0 before 1.18.10 from 1.19.0 before 1.19.3 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/kubernetes/kubernetes/issues/95624
- https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ
- https://security.netapp.com/advisory/ntap-20210122-0006/
- https://github.com/advisories/GHSA-5x96-j797-5qqw
- https://nvd.nist.gov/vuln/detail/CVE-2020-8566
- https://github.com/kubernetes/kubernetes/pull/95245
- https://github.com/kubernetes/kubernetes/pull/95245/commits/e91ec4fad3366d2dee020919f7c2a0d7b52fd3ea
- https://bugzilla.redhat.com/show_bug.cgi?id=1886640
- https://groups.google.com/g/kubernetes-announce/c/ScdmyORnPDk
- https://security.netapp.com/advisory/ntap-20210122-0006