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FreeBSD : zookeeper -- Denial Of Service (af61b271-9e47-4db0-a0f6-29fb032236a3)

high Nessus Plugin ID 103762

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Synopsis

The remote FreeBSD host is missing a security-related update.

Description

zookeeper developers report :

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.

Solution

Update the affected package.

See Also

http://www.nessus.org/u?a87f89aa

http://www.nessus.org/u?a94ee015

Plugin Details

Severity: High

ID: 103762

File Name: freebsd_pkg_af61b2719e474db0a0f629fb032236a3.nasl

Version: 3.6

Type: local

Published: 10/11/2017

Updated: 1/4/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:zookeeper, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/10/2017

Vulnerability Publication Date: 10/9/2017

Reference Information

CVE: CVE-2017-5637