medium6.5
CVE-2023-2727
kube-apiserver vulnerable to policy bypass
Impact
Users may be able to launch containers using images that are restricted by ImagePolicyWebhook when using ephemeral containers. Kubernetes clusters are only affected if the ImagePolicyWebhook admission plugin is used together with ephemeral containers.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | k8s.io/kubernetes | >= 1.27.0, < 1.27.3 | 1.27.3 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Kubernetes | Kubernetes | through 1.24.14 from 1.25.0 through 1.25.10 from 1.26.0 through 1.26.5 from 1.27.0 through 1.27.2 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- http://www.openwall.com/lists/oss-security/2023/07/06/2
- https://github.com/kubernetes/kubernetes/issues/118640
- https://groups.google.com/g/kubernetes-security-announce/c/vPWYJ_L84m8
- https://security.netapp.com/advisory/ntap-20230803-0004/
- https://github.com/advisories/GHSA-qc2g-gmh6-95p4
- https://nvd.nist.gov/vuln/detail/CVE-2023-2727
- https://github.com/kubernetes/kubernetes/pull/118356
- https://github.com/kubernetes/kubernetes/pull/118471
- https://github.com/kubernetes/kubernetes/pull/118473
- https://github.com/kubernetes/kubernetes/pull/118474
- https://github.com/kubernetes/kubernetes/pull/118512
- https://security.netapp.com/advisory/ntap-20230803-0004