CVE-2023-2431
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
Description
A security issue was discovered in Kubelet that allows pods to bypass the seccomp profile enforcement. Pods that use localhost type for seccomp profile but specify an empty profile field, are affected by this issue. In this scenario, this vulnerability allows the pod to run in unconfined (seccomp disabled) mode. This bug affects Kubelet.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2023-2431
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2023-2431.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 1.20.5+really1.20.2-1 |
| debian | bullseye | fixed | 1.20.5+really1.20.2-1 |
| debian | forky | fixed | 1.20.5+really1.20.2-1 |
| debian | sid | fixed | 1.20.5+really1.20.2-1 |
| debian | trixie | fixed | 1.20.5+really1.20.2-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | k8s.io/kubernetes | <1.24.14 | 1.24.14 |
| Go | k8s.io/kubernetes | >=1.25.0,<1.25.10 | 1.25.10 |
| Go | k8s.io/kubernetes | >=1.26.0,<1.26.5 | 1.26.5 |
| Go | k8s.io/kubernetes | >=1.27.0,<1.27.2 | 1.27.2 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2023-2431
- https://github.com/kubernetes/kubernetes/issues/118690
- https://github.com/kubernetes/kubernetes/pull/117020
- https://github.com/kubernetes/kubernetes/pull/117116
- https://github.com/kubernetes/kubernetes/pull/117117
- https://github.com/kubernetes/kubernetes/pull/117118
- https://github.com/kubernetes/kubernetes/pull/117147
- https://github.com/kubernetes/kubernetes
- https://groups.google.com/g/kubernetes-security-announce/c/QHmx0HOQa10
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/43HDSKBKPSW53OW647B5ETHRWFFNHSRQ
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XBX4RL4UOC7JHWWYB2AJCKSUM7EG5Y5G
- https://pkg.go.dev/vuln/GO-2023-1864
- https://github.com/advisories/GHSA-xc8m-28vv-4pjc
- https://www.suse.com/security/cve/CVE-2023-2431.html
- https://security-tracker.debian.org/tracker/CVE-2023-2431
Verify integrity in audit chain (admin only). AS-IS.