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NTAP-20190321-0003 — CVE-2018-19591 GNU C Library (glibc) Vulnerability in NetApp Products

Published 2019-03-21 · Updated 2022-07-01 · Status: Final · Exploitation: Public · Severity: HIGH 7.5 · ONTAP affected: Yes

Official advisory: NTAP-20190321-0003 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: Brocade SAN firmware · Other NetApp products · SolidFire / NetApp HCI · ONTAP | ONTAP-relevant | highest CVSS: 7.5

CVEs in this advisory

CVE-2018-19591 — HIGH · CVSS 7.5 · site index

What the CVE records say

CVE-2018-19591 — In the GNU C Library (aka glibc or libc6) through 2.28, attempting to resolve a crafted hostname via getaddrinfo() leads to the allocation of a socket descriptor that is not closed. This is related to the if_nametoindex() function.

Impact

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

Affected products

Brocade Fabric Operating System Firmware
Cluster Network Switch (NetApp CN1610)
NetApp HCI Baseboard Management Controller (BMC) - H410C
NetApp SolidFire & HCI Management Node
NetApp SolidFire, Enterprise SDS & HCI Storage Node (Element Software)
NetApp VASA Provider for Clustered Data ONTAP 9.7 and above
SnapProtect
Storage Replication Adapter for Clustered Data ONTAP for VMware vSphere 9.7 and above
Virtual Storage Console for VMware vSphere 9.7 and above

Official fixes

Virtual Storage Console for VMware vSphere 9.7 and above — vendor fix ↗
NetApp SolidFire, Enterprise SDS & HCI Storage Node (Element Software) — vendor fix ↗
NetApp SolidFire, Enterprise SDS & HCI Storage Node (Element Software) — vendor fix ↗
Storage Replication Adapter for Clustered Data ONTAP for VMware vSphere 9.7 and above — vendor fix ↗
NetApp SolidFire & HCI Management Node — vendor fix ↗
NetApp SolidFire & HCI Management Node — vendor fix ↗
NetApp VASA Provider for Clustered Data ONTAP 9.7 and above — vendor fix ↗
NetApp HCI Baseboard Management Controller (BMC) - H410C — 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.