CVEvulnerability

CVE-2017-5637

7.5 HIGH Published 2017-10-10 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2017-10-10
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-306, CWE-400

Description

Two four letter word commands "wchp/wchc" are CPU intensive and could cause spike of CPU utilization on Apache ZooKeeper server if abused, which leads to the server unable to serve legitimate client requests. Apache ZooKeeper thru version 3.4.9 and 3.5.2 suffer from this issue, fixed in 3.4.10, 3.5.3, and later.

Affected configurations

• apache zookeeper 3.4.0 • apache zookeeper 3.4.1 • apache zookeeper 3.4.2 • apache zookeeper 3.4.3 • apache zookeeper 3.4.4 • apache zookeeper 3.4.5 • apache zookeeper 3.4.6 • apache zookeeper 3.4.7 • apache zookeeper 3.4.8 • apache zookeeper 3.4.9 • apache zookeeper 3.5.0 • apache zookeeper 3.5.1 • apache zookeeper 3.5.2 • debian debian linux 8.0

Related

Weakness · CWE (2)

  • CWE-306 Missing Authentication for Critical Functionality weakness
  • CWE-400 Uncontrolled Resource Consumption weakness

References