Vulnerability Information
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Vulnerability Title
Privilege escalation using hop-by-hop Connection header
Vulnerability Description
capsule-proxy is a reverse proxy for Capsule Operator which provides multi-tenancy in Kubernetes. In versions prior to 0.2.1 an attacker with a proper authentication mechanism may use a malicious `Connection` header to start a privilege escalation attack towards the Kubernetes API Server. This vulnerability allows for an exploit of the `cluster-admin` Role bound to `capsule-proxy`. There are no known workarounds for this issue.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vulnerability Type
认证机制不恰当
Vulnerability Title
capsule-proxy 授权问题漏洞
Vulnerability Description
capsule-proxy是允许克服 Kubernetes API Server 在列出拥有的集群范围资源方面的限制，例如 Namespace、Ingress 和 Storage Classes、Nodes 以及 Capsule 涵盖的其他资源。 capsule-proxy 0.2.1之前版本存在安全漏洞，该漏洞源于软件缺少对于Connection头部的校验，具有正确身份验证机制的攻击者可利用该漏洞可能会使用恶意的“Connection”头启动对Kubernetes API服务器的权限升级攻击。该漏洞允许
CVSS Information
N/A
Vulnerability Type
N/A