漏洞信息
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Vulnerability Title
Virt-cdi-operator: containerized-data-importer: cdi.kubevirt.io:view aggregated clusterrole grants create on datavolumes/source, allowing unauthorized pvc clone
Vulnerability Description
In containerized-data-importer (CDI), the aggregated cdi.kubevirt.io:view ClusterRole, intended to provide read-only access to CDI resources, includes a rule granting create on the datavolumes/source subresource. CDI's DataVolume clone authorization accepts this permission as sufficient to authorize cloning the contents of any PVC the caller can name, without requiring write access to the source namespace. A user or service account bound to the view role, commonly granted cluster-wide via ClusterRoleBinding, who also has ordinary write access (edit/admin) to any single namespace, can use this to exfiltrate the contents of any PVC in the cluster into a namespace they control, bypassing namespace isolation and the read-only guarantee of the view role.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Vulnerability Type
通过用户控制密钥绕过授权机制
Vulnerability Title
KubeVirt Containerized Data Importer 授权问题漏洞
Vulnerability Description
KubeVirt containerized data importer是KubeVirt组织开源的一个容器化数据导入工具。 KubeVirt Containerized Data Importer存在授权问题漏洞,该漏洞源于cdi.kubevirt.io:view ClusterRole的权限规则不当,允许具有view角色的用户或服务账户通过DataVolume克隆授权绕过命名空间隔离和只读保证,从而泄露集群中任意PVC的内容。
CVSS Information
N/A
Vulnerability Type
N/A