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I. Basic Information for CVE-2020-8554
Vulnerability Information
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Vulnerability Title
Kubernetes man in the middle using LoadBalancer or ExternalIPs
Source: NVD (National Vulnerability Database)
Vulnerability Description
Kubernetes API server in all versions allow an attacker who is able to create a ClusterIP service and set the spec.externalIPs field, to intercept traffic to that IP address. Additionally, an attacker who is able to patch the status (which is considered a privileged operation and should not typically be granted to users) of a LoadBalancer service can set the status.loadBalancer.ingress.ip to similar effect.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
未经验证的属主
Source: NVD (National Vulnerability Database)
Vulnerability Title
Kubernetes 安全漏洞
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 存在安全漏洞，攻击者可利用该漏洞可以通过Kubernetes上的LoadBalancer ExternalIP充当中间人，以便在会话中读取或写入数据。
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
VendorProductAffected VersionsCPESubscribe
KubernetesKubernetes Kubernetes all versions -
II. Public POCs for CVE-2020-8554
#POC DescriptionSource LinkShenlong Link
1CVE-2020-8554: Man in the middle using LoadBalancer or ExternalIPshttps://github.com/rancher/externalip-webhookPOC Details
2Mitigate CVE-2020-8554 with Policy Controller in Anthoshttps://github.com/jrmurray000/CVE-2020-8554POC Details
3Prisma Cloud Compute Admission rules to mitigate Kubernetes CVE-2020-8554https://github.com/twistlock/k8s-cve-2020-8554-mitigationsPOC Details
4Nonehttps://github.com/Dviejopomata/CVE-2020-8554POC Details
5Nonehttps://github.com/alebedev87/gatekeeper-cve-2020-8554POC Details
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III. Intelligence Information for CVE-2020-8554
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New Vulnerabilities
Product: Kubernetes
Vendor: Kubernetes
Same weakness: CWE-283
V. Comments for CVE-2020-8554

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