CVE-2017-5637

2017-10-1000:00:00

ubuntu.com

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

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.

OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchzookeeper< 3.4.5+dfsg-1ubuntu0.1~esm1UNKNOWN
ubuntu16.04noarchzookeeper< 3.4.8-1ubuntu0.1~esm1UNKNOWN