Users can gain privileged access to the host system and cluster with EventSource and Sensor CR

Argo Events is an event-driven workflow automation framework for Kubernetes. A user with permission to create/modify EventSource and Sensor custom resources can gain privileged access to the host system and cluster, even without having direct administrative privileges. The EventSource and Sensor CRs allow the corresponding orchestrated pod to be customized with spec.template and spec.template.container (with type k8s.io/api/core/v1.Container), thus, any specification under container such as command, args, securityContext , volumeMount can be specified, and applied to the EventSource or Sensor pod. With these, a user would be able to gain privileged access to the cluster host, if he/she specified the EventSource/Sensor CR with some particular properties under template. This vulnerability is fixed in v1.9.6.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

带着不必要的权限执行

Argo Events 安全漏洞

Argo Events是Argo Project开源的一个用于 Kubernetes 的事件驱动的工作流自动化框架。 Argo Events v1.9.6之前版本存在安全漏洞，该漏洞源于具有创建或修改EventSource和Sensor权限的用户可以获得主机系统和集群的特权访问。

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