漏洞信息
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Vulnerability Title
N/A
Vulnerability Description
In OpenStack Designate before 22.0.2, the mDNS handler performs pool-blind lookups when resolving record queries and NOTIFY requests. When two zones with the same name exist across different pools, the lookup fails with a deterministic error, causing the handler to return REFUSED for all DNS queries through that path. The _handle_notify path is exploitable via a single unauthenticated UDP packet. This is independently reachable through the cross-tenant zone overlap described in a different recent CVE, and also affects legitimate same-tenant cross-pool configurations. BIND9 views do not mitigate this issue as mDNS is a shared service upstream of any view configuration.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
Vulnerability Type
在范围间的资源转移不正确
Vulnerability Title
OpenStack Designate 权限许可和访问控制问题漏洞
Vulnerability Description
OpenStack Designate是OpenStack基金会开源的一个提供DNS服务的组件。 OpenStack Designate 22.0.2之前版本存在权限许可和访问控制问题漏洞,该漏洞源于mDNS处理程序在解析记录查询和NOTIFY请求时执行不区分池的查找,当不同池中存在同名区域时,查找失败并返回REFUSED,导致通过该路径的所有DNS查询被拒绝;_handle_notify路径可通过单个未经身份验证的UDP数据包利用,导致拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A