Detections
Analytics

Apache ZooKeeper 3.6.x <= 3.7.2, 3.8.x < 3.8.4, 3.9.x < 3.9.2 Information Disclosure

medium Nessus Plugin ID 192396

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Synopsis

The remote Apache ZooKeeper server is affected by an information disclosure vulnerability.

Description

The version of Apache ZooKeeper listening on the remote host is 3.6. up to 3.7.2, 3.8.x prior to 3.8.4 or 3.9.x prior to 3.9.2. It is, therefore, affected by the following:

 - 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. (CVE-2024-23944) Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update to Apache ZooKeeper 3.8.3, 3.9.1 or later.

See Also

https://zookeeper.apache.org/security.html

Plugin Details

Severity: Medium

ID: 192396

File Name: apache_zookeeper_3_9_2.nasl

Version: 1.2

Type: combined

Family: Misc.

Published: 3/21/2024

Updated: 11/8/2024

Configuration: Enable thorough checks

Supported Sensors: Nessus

Risk Information

CVSS Score Rationale: Score based on an in-depth analysis by tenable.

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS Score Source: manual

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Vulnerability Information

CPE: cpe:/a:apache:zookeeper

Required KB Items: installed_sw/Apache Zookeeper

Patch Publication Date: 3/14/2024

Vulnerability Publication Date: 3/14/2024

Reference Information

CVE: CVE-2024-23944

IAVB: 2024-B-0025-S