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nvd[email protected]NVD:CVE-2017-5637
HistoryOct 10, 2017 - 1:30 a.m.

CVE-2017-5637

2017-10-1001:30:22
CWE-306
CWE-400
web.nvd.nist.gov
8

CVSS2

5

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

7.7

Confidence

High

EPSS

0.045

Percentile

92.5%

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
Node
apachezookeeperMatch3.4.0
OR
apachezookeeperMatch3.4.1
OR
apachezookeeperMatch3.4.2
OR
apachezookeeperMatch3.4.3
OR
apachezookeeperMatch3.4.4
OR
apachezookeeperMatch3.4.5
OR
apachezookeeperMatch3.4.6
OR
apachezookeeperMatch3.4.7
OR
apachezookeeperMatch3.4.8
OR
apachezookeeperMatch3.4.9
OR
apachezookeeperMatch3.5.0
OR
apachezookeeperMatch3.5.1
OR
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:*:*:*:*:*:*:*
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References

CVSS2

5

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

7.7

Confidence

High

EPSS

0.045

Percentile

92.5%