Apache ZooKeeper vulnerable to information disclosure in persistent watchers 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.
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Java / Kotlin (Maven) | org.apache.zookeeper:zookeeper | >= 3.8.0, < 3.8.4, >= 3.9.0, < 3.9.2, >= 3.6.0, <= 3.7.2 | 3.8.4, 3.9.2 |
Referencias
- https://nvd.nist.gov/vuln/detail/CVE-2024-23944
- https://github.com/apache/zookeeper/commit/29c7b9462681f47c2ac12e609341cf9f52abac5c
- https://github.com/apache/zookeeper/commit/65b91d2d9a56157285c2a86b106e67c26520b01d
- https://github.com/apache/zookeeper/commit/daf7cfd04005cff1a4f7cab5ab13d41db88d0cd8
- https://github.com/apache/zookeeper
- https://lists.apache.org/thread/96s5nqssj03rznz9hv58txdb2k1lr79k
- http://www.openwall.com/lists/oss-security/2024/03/14/2
- Vector CVSS
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L- Debilidad (CWE)
CWE-200, CWE-862- Plataforma
- Java / Kotlin (Maven)
- Paquete
org.apache.zookeeper:zookeeper- Publicada
- 15.03.2024
- Actualizado
- 11.10.2026 13:20
Fuentes y licencias
OSV / GitHub Advisory Database - GHSA-r978-9m6m-6gm6 - CC BY 4.0
Historial de vulnerabilidades: org.apache.zookeeper:zookeeper
Todas las vulnerabilidades publicadas de este paquete (Java / Kotlin (Maven)), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.
- Entradas en total
- 9
- Primera → última
- 05.2019 03.2026
- Sin corrección
- 0
- Explotada en ataques
- 0
Distribución por gravedad
- Crítica 1
- Alta 5
- Media 3
Divulgaciones por año
- 2019: 1
- 2020: 0
- 2021: 0
- 2022: 2
- 2023: 1
- 2024: 2
- 2025: 1
- 2026: 2
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