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NTAP-20190221-0001 — CVE-2018-1000656 Flask Vulnerability in NetApp Products

Published 2019-02-21 · Updated 2020-03-27 · Status: Final · Exploitation: Public · Severity: HIGH 7.5 · ONTAP affected: Yes

Official advisory: NTAP-20190221-0001 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: SolidFire / NetApp HCI · ONTAP | ONTAP-relevant | highest CVSS: 7.5

CVEs in this advisory

CVE-2018-1000656 — HIGH · CVSS 7.5 · site index

What the CVE records say

CVE-2018-1000656 — The Pallets Project flask version Before 0.12.3 contains a CWE-20: Improper Input Validation vulnerability in flask that can result in Large amount of memory usage possibly leading to denial of service. This attack appear to be exploitable via Attacker provides JSON data in incorrect encoding. This vulnerability appears to have been fixed in 0.12.3. NOTE: this may overlap CVE-2019-1010083.

Impact

Successful exploitation of this vulnerability could lead to Denial of Service (DoS).

Affected products

NetApp HCI Compute Node (Bootstrap OS)
NetApp SolidFire & HCI Storage Node (Element Software)
ONTAP Select Deploy administration utility

Official fixes

ONTAP Select Deploy administration utility — vendor fix ↗
NetApp SolidFire & HCI Storage Node (Element Software) — vendor fix ↗
NetApp HCI Compute Node (Bootstrap OS) — vendor fix ↗

References

https://github.com/pallets/flask/releases/tag/0.12.3 ↗

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.