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CVE-2017-5637

Published: Oct 10, 2017Updated: May 13, 2026 Sources: CVE List NVD GHSA BDUCWE-306
7.5HIGH
NVD MITRE
EPSS Score
72.9%
Top 0.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-306CWE-400

Affected Products

Red Hat Inc.
commercial·USaka red hat
Red Hat JBoss BRMSOn-prem
Operating Systems / linux-distro
Red Hat JBoss Data VirtualizationOn-prem
Operating Systems / linux-distro
Red Hat JBoss BPM SuiteOn-prem
Operating Systems / linux-distro
Apache Software Foundation
oss-project·USaka apache foundation
Apache ZooKeeperOn-premWeb App
Databases / cache-message-queue
ZooKeeperDatabase
Databases / cache-message-queue
apache
oss-project·USaka apache http server, apache httpd
zookeeperOn-premDatabase
Databases / cache-message-queue
debian
oss-project·GBaka debian gnu/linux
debian linuxOn-premOS
Operating Systems / linux-distro
Maven
package-ecosystem
org.apache.zookeeper:zookeeper
OSS Libraries
Сообщество свободного программного обеспечения
oss-projectaka fsf
Debian GNU/LinuxOn-premOS
Operating Systems / linux-distro
and 2 more affected products View all →

Exploitability

Official Patch Available
Workaround Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

3 techniques
Impact
Initial Access
View detailed technique mapping

References

http://www.debian.org/security/2017/dsa-3871
debian.org
http://www.securityfocus.com/bid/98814
securityfocus.com
https://access.redhat.com/errata/RHSA-2017:2477
access.redhat.com
and 19 more references View all →

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