漏洞信息
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Vulnerability Title
N/A
Vulnerability Description
In OpenStack Designate before 22.0.1, zone creation checks (_is_subzone, _is_superzone, and the duplicate-zone DB constraint) are scoped to the target pool only. An authenticated user can bypass these checks by scheduling a zone to a different pool via the AttributeFilter scheduler, creating an overlapping zone that conflicts with another tenant's zone. This enables cross-tenant DNS hijack (redirecting traffic to attacker-controlled IPs) and DNS denial of service (NODATA responses). Exploitation requires a multi-pool deployment with AttributeFilter enabled in scheduler_filters, which is a non-default but documented and supported configuration for self-service tiering.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Vulnerability Type
授权机制不正确
Vulnerability Title
OpenStack Designate 授权问题漏洞
Vulnerability Description
OpenStack Designate是OpenStack基金会开源的一个提供DNS服务的组件。 OpenStack Designate 22.0.1之前版本存在授权问题漏洞,该漏洞源于区域创建检查仅针对目标池,攻击者可通过AttributeFilter调度器将区域调度至不同池,绕过检查并创建重叠区域,导致跨租户DNS劫持和DNS拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A