Improper TLS Client/Server authentication and certificate verification on Database Cluster

A vulnerability was identified in Juju from version 3.2.0 until 3.6.19 and from version 4.0 until 4.0.4, where the internal Dqlite database cluster fails to perform proper TLS client and server authentication. Specifically, the Juju controller's database endpoint does not validate client certificates when a new node attempts to join the cluster. An unauthenticated attacker with network reachability to the Juju controller's Dqlite port can exploit this flaw to join the database cluster. Once joined, the attacker gains full read and write access to the underlying database, allowing for total data compromise.

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

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Juju 安全漏洞

Juju是Canonical Juju开源的一个开源应用程序编排引擎。 Juju 3.2.0至3.6.19版本和4.0至4.0.4版本存在安全漏洞，该漏洞源于内部Dqlite数据库集群未能执行正确的TLS客户端和服务器身份验证，可能导致未经身份验证的攻击者加入数据库集群并获取对底层数据库的完全读写访问权限。

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