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ApacheCVE-2017-5637

HistoryOct 10, 2017 - 1:30 a.m.

CVE-2017-5637

2017-10-1001:30:22

CWE-400

CWE-306

apache

web.nvd.nist.gov

106

cve-2017-5637

apache zookeeper

cpu spike

wchp

wchc

nvd

security issue

cpu utilization

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.4

Confidence

High

EPSS

0.045

Percentile

92.5%

JSON

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

Nvd

Vulners

Node

apachezookeeperMatch3.4.0

apachezookeeperMatch3.4.1

apachezookeeperMatch3.4.2

apachezookeeperMatch3.4.3

apachezookeeperMatch3.4.4

apachezookeeperMatch3.4.5

apachezookeeperMatch3.4.6

apachezookeeperMatch3.4.7

apachezookeeperMatch3.4.8

apachezookeeperMatch3.4.9

apachezookeeperMatch3.5.0

apachezookeeperMatch3.5.1

apachezookeeperMatch3.5.2

Node

debiandebian_linuxMatch8.0

VendorProductVersionCPE
apachezookeeper3.4.0cpe:2.3:a:apache:zookeeper:3.4.0:*:*:*:*:*:*:*
apachezookeeper3.4.1cpe:2.3:a:apache:zookeeper:3.4.1:*:*:*:*:*:*:*
apachezookeeper3.4.2cpe:2.3:a:apache:zookeeper:3.4.2:*:*:*:*:*:*:*
apachezookeeper3.4.3cpe:2.3:a:apache:zookeeper:3.4.3:*:*:*:*:*:*:*
apachezookeeper3.4.4cpe:2.3:a:apache:zookeeper:3.4.4:*:*:*:*:*:*:*
apachezookeeper3.4.5cpe:2.3:a:apache:zookeeper:3.4.5:*:*:*:*:*:*:*
apachezookeeper3.4.6cpe:2.3:a:apache:zookeeper:3.4.6:*:*:*:*:*:*:*
apachezookeeper3.4.7cpe:2.3:a:apache:zookeeper:3.4.7:*:*:*:*:*:*:*
apachezookeeper3.4.8cpe:2.3:a:apache:zookeeper:3.4.8:*:*:*:*:*:*:*
apachezookeeper3.4.9cpe:2.3:a:apache:zookeeper:3.4.9:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
apache	zookeeper	3.4.0	cpe:2.3:a:apache:zookeeper:3.4.0:::::::*
apache	zookeeper	3.4.1	cpe:2.3:a:apache:zookeeper:3.4.1:::::::*
apache	zookeeper	3.4.2	cpe:2.3:a:apache:zookeeper:3.4.2:::::::*
apache	zookeeper	3.4.3	cpe:2.3:a:apache:zookeeper:3.4.3:::::::*
apache	zookeeper	3.4.4	cpe:2.3:a:apache:zookeeper:3.4.4:::::::*
apache	zookeeper	3.4.5	cpe:2.3:a:apache:zookeeper:3.4.5:::::::*
apache	zookeeper	3.4.6	cpe:2.3:a:apache:zookeeper:3.4.6:::::::*
apache	zookeeper	3.4.7	cpe:2.3:a:apache:zookeeper:3.4.7:::::::*
apache	zookeeper	3.4.8	cpe:2.3:a:apache:zookeeper:3.4.8:::::::*
apache	zookeeper	3.4.9	cpe:2.3:a:apache:zookeeper:3.4.9:::::::*

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CNA Affected

[
  {
    "product": "Apache ZooKeeper",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "status": "affected",
        "version": "3.4.0 to 3.4.9"
      },
      {
        "status": "affected",
        "version": "3.5.0 to 3.5.2"
      }
    ]
  }
]