CVE-2020-8566
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
Description
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.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-8566
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-8566.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 1.19.3-1 |
| debian | bullseye | fixed | 1.19.3-1 |
| debian | forky | fixed | 1.19.3-1 |
| debian | sid | fixed | 1.19.3-1 |
| debian | trixie | fixed | 1.19.3-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/kubernetes/kubernetes | <1.17.13 | 1.17.13 |
| Go | github.com/kubernetes/kubernetes | >=1.18.0,<1.18.10 | 1.18.10 |
| Go | github.com/kubernetes/kubernetes | >=1.19.0,<1.19.3 | 1.19.3 |
| Go | k8s.io/kubernetes | >=1.19.0,<1.19.3 | 1.17.13 |
References
- https://www.suse.com/security/cve/CVE-2020-8566.html
- https://nvd.nist.gov/vuln/detail/CVE-2020-8566
- https://github.com/kubernetes/kubernetes/issues/95624
- 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://github.com/kubernetes/kubernetes
- https://groups.google.com/g/kubernetes-announce/c/ScdmyORnPDk
- 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://security-tracker.debian.org/tracker/CVE-2020-8566
Verify integrity in audit chain (admin only). AS-IS.