Vulnerability · Published Jun 16, 2023 · Assigned by kubernetes
CVE-2023-2431Bypass of seccomp profile enforcement
Low 3.4
In plain English
A low-severity security flaw in Kubernetes from Kubernetes. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | kubernetes | 1.20.5+really1.20.2-1 | DEBIAN-CVE-2023-2431 |
| Debian:13 | kubernetes | 1.20.5+really1.20.2-1 | DEBIAN-CVE-2023-2431 |
| Debian:14 | kubernetes | 1.20.5+really1.20.2-1 | DEBIAN-CVE-2023-2431 |
| Go | k8s.io/kubernetes | 1.27.2 | GHSA-xc8m-28vv-4pjc |
| Go | k8s.io/kubernetes | 1.24.14, 1.25.10, 1.26.5, 1.27.2 | GO-2023-1864 |
| Go | k8s.io/kubernetes | 1.24.14 | GHSA-xc8m-28vv-4pjc |
| Go | k8s.io/kubernetes | 1.25.10 | GHSA-xc8m-28vv-4pjc |
| Go | k8s.io/kubernetes | 1.26.5 | GHSA-xc8m-28vv-4pjc |
| Ubuntu:22.04:LTS | kubernetes | no fix listed | UBUNTU-CVE-2023-2431 |
| Ubuntu:24.04:LTS | kubernetes | no fix listed | UBUNTU-CVE-2023-2431 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Kubernetes | Kubernetes | 0 – before v1.24.14v1.25.0 – before v1.25.9v1.26.0 – before v1.26.4v1.27.0 – before v1.27.1 |
Weakness: CWE-1287 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
References
- https://groups.google.com/g/kubernetes-security-announce/c/QHmx0HOQa10
- https://github.com/kubernetes/kubernetes/issues/118690
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XBX4RL4UOC7JHWWYB2AJCKSUM7EG5Y5G/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/43HDSKBKPSW53OW647B5ETHRWFFNHSRQ/