是什么
编排相关端口:Docker API、Kubernetes API、Kubelet。
为何有风险
未认证的 Docker API(2375)实际上等同于宿主机的 root 权限 —— 这是最糟糕的暴露。
应对措施
绝不要公开该 API;强制 TLS・双向认证・RBAC,并留在内网。
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Linux
ss -ltnp 'sport = :10250'Kubelet 的已知漏洞
| CVE | 标题 | CVSS | 被利用 | EPSS | 发布日期 |
|---|---|---|---|---|---|
| CVE-2016-1906 | Openshift allows remote attackers to gain privileges by updating a build configuration that was created with a... | 9.8 | — | 2016-02-04 | |
| CVE-2017-1000056 | Kubernetes version 1.5.0-1.5.4 is vulnerable to a privilege escalation in the PodSecurityPolicy admission plug... | 9.8 | — | 2017-07-14 | |
| CVE-2018-1002105 | In all Kubernetes versions prior to v1.10.11, v1.11.5, and v1.12.3, incorrect handling of error responses to p... | 9.8 | — | 2018-12-06 | |
| CVE-2017-1002101 | In Kubernetes versions 1.3.x, 1.4.x, 1.5.x, 1.6.x and prior to versions 1.7.14, 1.8.9 and 1.9.4 containers usi... | 8.8 | — | 2018-03-14 |