Synology DiskStation Manager NTPD Denial of Service (CVE-2018-7185)

high Tenable OT Security Plugin ID 502394

Synopsis

The remote OT asset is affected by a vulnerability.

Description

The protocol engine in ntp 4.2.6 before 4.2.8p11 allows a remote attackers to cause a denial of service (disruption) by continually sending a packet with a zero-origin timestamp and source IP address of the other side of an interleaved association causing the victim ntpd to reset its association.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

http://www.nessus.org/u?61e2c8cb

http://support.ntp.org/bin/view/Main/NtpBug3454

http://www.securityfocus.com/archive/1/541824/100/0/threaded

http://www.securityfocus.com/bid/103339

https://security.FreeBSD.org/advisories/FreeBSD-SA-18:02.ntp.asc

https://security.gentoo.org/glsa/201805-12

https://security.netapp.com/advisory/ntap-20180626-0001/

http://www.nessus.org/u?547120eb

https://usn.ubuntu.com/3707-1/

https://usn.ubuntu.com/3707-2/

http://www.nessus.org/u?b370bc74

https://www.synology.com/support/security/Synology_SA_18_13

Plugin Details

Severity: High

ID: 502394

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 10/1/2024

Updated: 10/2/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2018-7185

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:synology:diskstation_manager

Required KB Items: Tenable.ot/Synology

Exploit Ease: No known exploits are available

Patch Publication Date: 3/6/2018

Vulnerability Publication Date: 3/6/2018

Reference Information

CVE: CVE-2018-7185