Apache NiFi: Missing Authorization of Restricted Permissions for Component Updates

Apache NiFi 1.1.0 through 2.7.2 are missing authorization when updating configuration properties on extension components that have specific Required Permissions based on the Restricted annotation. The Restricted annotation indicates additional privileges required to add the annotated component to the flow configuration, but framework authorization did not check restricted status when updating a component previously added. The missing authorization requires a more privileged user to add a restricted component to the flow configuration, but permits a less privileged user to make property configuration changes. Apache NiFi installations that do not implement different levels of authorization for Restricted components are not subject to this vulnerability because the framework enforces write permissions as the security boundary. Upgrading to Apache NiFi 2.8.0 is the recommended mitigation.

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授权机制缺失

Apache NiFi 安全漏洞

Apache NiFi是美国阿帕奇（Apache）基金会的一套数据处理和分发系统。该系统主要用于数据路由、转换和系统中介逻辑。 Apache NiFi 1.1.0版本至2.7.2版本存在安全漏洞，该漏洞源于更新具有特定Required Permissions的扩展组件配置时缺少授权检查，可能导致权限提升。

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