CVE-2017-5637

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2017-5637
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.

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

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

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://issues.apache.org/jira/browse/ZOOKEEPER-2693 Issue Tracking Mitigation Vendor Advisory
http://www.securityfocus.com/bid/98814 VDB Entry Third Party Advisory
http://www.debian.org/security/2017/dsa-3871 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:3355
https://access.redhat.com/errata/RHSA-2017:3354
https://access.redhat.com/errata/RHSA-2017:2477
https://www.oracle.com/security-alerts/cpujul2020.html
https://www.oracle.com//security-alerts/cpujul2021.html
https://lists.apache.org/thread.html/58170aeb7a681d462b7fa31cae81110cbb749d2dc83c5736a0bb8370%40%3Cdev.zookeeper.apache.org%3E
https://lists.apache.org/thread.html/053d9ce4d579b02203db18545fee5e33f35f2932885459b74d1e4272%40%3Cissues.activemq.apache.org%3E
https://lists.apache.org/thread.html/bcce5a9c532b386c68dab2f6b3ce8b0cc9b950ec551766e76391caa3%40%3Ccommits.nifi.apache.org%3E
https://lists.apache.org/thread.html/rca37935d661f4689cb4119f1b3b224413b22be161b678e6e6ce0c69b%40%3Ccommits.nifi.apache.org%3E
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:apache:zookeeper:3.5.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:zookeeper:3.5.2:*:*:*:*:*:*:*
cpe:2.3:a:apache:zookeeper:3.5.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:zookeeper:3.4.9:*:*:*:*:*:*:*
cpe:2.3:a:apache:zookeeper:3.4.8:*:*:*:*:*:*:*
cpe:2.3:a:apache:zookeeper:3.4.7:*:*:*:*:*:*:*
cpe:2.3:a:apache:zookeeper:3.4.6:*:*:*:*:*:*:*
cpe:2.3:a:apache:zookeeper:3.4.5:*:*:*:*:*:*:*
cpe:2.3:a:apache:zookeeper:3.4.4:*:*:*:*:*:*:*
cpe:2.3:a:apache:zookeeper:3.4.3:*:*:*:*:*:*:*
cpe:2.3:a:apache:zookeeper:3.4.2:*:*:*:*:*:*:*
cpe:2.3:a:apache:zookeeper:3.4.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:zookeeper:3.4.0:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
History

07 Nov 2023, 02:49

Type Values Removed Values Added
References
  • {'url': 'https://lists.apache.org/thread.html/rca37935d661f4689cb4119f1b3b224413b22be161b678e6e6ce0c69b@%3Ccommits.nifi.apache.org%3E', 'name': '[nifi-commits] 20200123 svn commit: r1873083 - /nifi/site/trunk/security.html', 'tags': [], 'refsource': 'MLIST'}
  • {'url': 'https://lists.apache.org/thread.html/58170aeb7a681d462b7fa31cae81110cbb749d2dc83c5736a0bb8370@%3Cdev.zookeeper.apache.org%3E', 'name': '[dev] 20171009 [SECURITY] CVE-2017-5637: DOS attack on wchp/wchc four letter words (4lw)', 'tags': ['Mailing List', 'Vendor Advisory'], 'refsource': 'MLIST'}
  • {'url': 'https://lists.apache.org/thread.html/053d9ce4d579b02203db18545fee5e33f35f2932885459b74d1e4272@%3Cissues.activemq.apache.org%3E', 'name': '[activemq-issues] 20190820 [jira] [Created] (AMQ-7279) Security Vulnerabilities in Libraries - jackson-databind-2.9.8.jar, tomcat-servlet-api-8.0.53.jar, tomcat-websocket-api-8.0.53.jar, zookeeper-3.4.6.jar, guava-18.0.jar, jetty-all-9.2.26.v20180806.jar, scala-library-2.11.0.jar', 'tags': [], 'refsource': 'MLIST'}
  • {'url': 'https://lists.apache.org/thread.html/bcce5a9c532b386c68dab2f6b3ce8b0cc9b950ec551766e76391caa3@%3Ccommits.nifi.apache.org%3E', 'name': '[nifi-commits] 20191113 svn commit: r1869773 - /nifi/site/trunk/security.html', 'tags': [], 'refsource': 'MLIST'}
  • () https://lists.apache.org/thread.html/053d9ce4d579b02203db18545fee5e33f35f2932885459b74d1e4272%40%3Cissues.activemq.apache.org%3E -
  • () https://lists.apache.org/thread.html/58170aeb7a681d462b7fa31cae81110cbb749d2dc83c5736a0bb8370%40%3Cdev.zookeeper.apache.org%3E -
  • () https://lists.apache.org/thread.html/rca37935d661f4689cb4119f1b3b224413b22be161b678e6e6ce0c69b%40%3Ccommits.nifi.apache.org%3E -
  • () https://lists.apache.org/thread.html/bcce5a9c532b386c68dab2f6b3ce8b0cc9b950ec551766e76391caa3%40%3Ccommits.nifi.apache.org%3E -
Information

Published : 2017-10-10 01:30

Updated : 2023-11-07 02:49

NVD link : CVE-2017-5637

Mitre link : CVE-2017-5637

JSON object : View

Products Affected

debian

  • debian_linux

apache

  • zookeeper
CWE
CWE-400

Uncontrolled Resource Consumption

CWE-306

Missing Authentication for Critical Function