CVE-2017-5637

2017-10-1000:00:00

ubuntu.com

7.5 High

CVSS3

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.045 Low

EPSS

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.

OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchzookeeper< 3.4.5+dfsg-1ubuntu0.1~esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchzookeeper< 3.4.8-1ubuntu0.1~esm1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	14.04	noarch	zookeeper	< 3.4.5+dfsg-1ubuntu0.1~esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only	UNKNOWN
ubuntu	16.04	noarch	zookeeper	< 3.4.8-1ubuntu0.1~esm1	UNKNOWN