zookeeper: CVE-2024-23944

Debian Bug report logs - #1066947
zookeeper: CVE-2024-23944

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: zookeeper: CVE-2024-23944

Date: Fri, 15 Mar 2024 22:29:22 +0100

Source: zookeeper
Version: 3.9.1-1
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for zookeeper.

CVE-2024-23944[0]:
| 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.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2024-23944
    https://www.cve.org/CVERecord?id=CVE-2024-23944
[1] https://www.openwall.com/lists/oss-security/2024/03/14/2

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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