CVE-2018-1002102— Kubernetes API server follows unvalidated redirects from streaming Kubelet endpoints
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I. Basic Information for CVE-2018-1002102
Vulnerability Information
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Vulnerability Title
Kubernetes API server follows unvalidated redirects from streaming Kubelet endpoints
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper validation of URL redirection in the Kubernetes API server in versions prior to v1.14.0 allows an attacker-controlled Kubelet to redirect API server requests from streaming endpoints to arbitrary hosts. Impacted API servers will follow the redirect as a GET request with client-certificate credentials for authenticating to the Kubelet.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Kubernetes 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Kubernetes是美国Linux基金会的一套开源的Docker容器集群管理系统。该系统为容器化的应用提供资源调度、部署运行、服务发现和扩容缩容等功能。 Kubernetes中存在输入验证错误漏洞，该漏洞源于Kubernetes API server没有正确验证URL的重定向。攻击者可利用该漏洞将API服务器请求重定向到任意主机。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Kubernetes | Kubernetes | v1.14 ~ v1.14.0 | - |
II. Public POCs for CVE-2018-1002102
| # | POC Description | Source Link | Shenlong Link |
|---|
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- 🔗 https://github.com/kubernetes/kubernetes/issues/85867x_refsource_CONFIRM
- 🔗 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q56CULSH7F7BC4NPS67ZS23ZCLL5TIVK/vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2018-1002102
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V. Comments for CVE-2018-1002102
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