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NTAP-20170814-0001 — CVE-2017-12420 Heap Overflow Vulnerability in clustered Data ONTAP

Published 2017-08-14 · Updated 2017-08-15 · Status: Final · Exploitation: Not public · Severity: HIGH 8.8 · ONTAP affected: Yes

Official advisory: NTAP-20170814-0001 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: ONTAP | ONTAP-relevant | highest CVSS: 8.8

CVEs in this advisory

CVE-2017-12420 — HIGH · CVSS 8.8 · site index

What the CVE records say

CVE-2017-12420 — Heap-based buffer overflow in the SMB implementation in NetApp Clustered Data ONTAP before 8.3.2P8 and 9.0 before P2 allows remote authenticated users to cause a denial of service or execute arbitrary code.

Impact

Successful exploitation of this vulnerability could lead to a service disruption or remote code execution.

Affected products

Clustered Data ONTAP

Official fixes

Clustered Data ONTAP — vendor fix ↗
Clustered Data ONTAP — vendor fix ↗

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.