Home / Security / Advisories / NTAP-20190503-0001

NTAP-20190503-0001 — CVE-2019-8936 Network Time Protocol Daemon (ntpd) Vulnerability in NetApp Products

Published 2019-05-03 · Updated 2019-05-03 · Status: Final · Exploitation: Public · Severity: HIGH 7.5 · ONTAP affected: Yes

Official advisory: NTAP-20190503-0001 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: ONTAP | ONTAP-relevant | highest CVSS: 7.5

CVEs in this advisory

CVE-2019-8936 — HIGH · CVSS 7.5 · site index

What the CVE records say

CVE-2019-8936 — NTP through 4.2.8p12 has a NULL Pointer Dereference.

Impact

Successful exploitation of this vulnerability could lead to Denial of Service (DoS). <p>Clustered Data ONTAP versions prior to 9.2 are affected. <br><br> For clustered Data ONTAP version 9.2 and higher NTP mode 6 packets are rejected by default. Ensure they have not been re-enabled using the 'cluster time-service ntp security show' advanced privilege command and verifying that 'External queries enabled?' shows as 'false'. </p>

Affected products

Clustered Data ONTAP
Data ONTAP operating in 7-Mode

Official fixes

Data ONTAP operating in 7-Mode — vendor fix ↗
Clustered Data ONTAP — vendor fix ↗
Clustered Data ONTAP — vendor fix ↗
Clustered Data ONTAP — vendor fix ↗
Clustered Data ONTAP — vendor fix ↗

References

https://gitlab.com/NTPsec/ntpsec/issues/509 ↗

What to do

Check the affected products listed above against the official advisory's affected-versions table — that is where the exact ONTAP 9 release, ONTAP tool, or management product versions are named.
If affected and a fixed release exists, plan the upgrade — see the ONTAP upgrade runbook.
If exploitation is listed as "active", treat remediation as urgent and review exposure (management LIFs, ONTAP S3, SnapMirror endpoints).
Harden in parallel: security hardening baseline and ransomware protection on ONTAP.