Apache ZooKeeper: Information disclosure in persistent watcher handling

Information disclosure in persistent watchers handling in Apache ZooKeeper due to missing ACL check. It allows an attacker to monitor child znodes by attaching a persistent watcher (addWatch command) to a parent which the attacker has already access to. ZooKeeper server doesn't do ACL check when the persistent watcher is triggered and as a consequence, the full path of znodes that a watch event gets triggered upon is exposed to the owner of the watcher. It's important to note that only the path is exposed by this vulnerability, not the data of znode, but since znode path can contain sensitive information like user name or login ID, this issue is potentially critical. Users are recommended to upgrade to version 3.9.2, 3.8.4 which fixes the issue.

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授权机制缺失

Apache ZooKeeper 信息泄露漏洞

Apache Zookeeper是美国阿帕奇（Apache）基金会的一个软件项目，它能够为大型分布式计算提供开源的分布式配置服务、同步服务和命名注册等功能。 Apache ZooKeeper 3.9.2之前版本存在信息泄露漏洞，该漏洞源于缺少ACL检查，存在信息泄露。

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