Home / Security / Advisories / NTAP-20181101-0001

NTAP-20181101-0001 — CVE-2018-15473 OpenSSH Username Enumeration Vulnerability in NetApp Products

Published 2018-11-01 · Updated 2022-01-06 · Status: Final · Exploitation: Public · Severity: MEDIUM 5.3 · ONTAP affected: Yes

Official advisory: NTAP-20181101-0001 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: Baseboard management controllers · Active IQ Unified Manager · Other NetApp products · ONTAP · Cloud Backup / AltaVault / SteelStore · SolidFire / NetApp HCI  |  ONTAP-relevant  |  highest CVSS: 5.3

CVEs in this advisory

What the CVE records say

CVE-2018-15473 — OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed, related to auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c.

Impact

Successful exploitation of this vulnerability could lead to disclosure of sensitive information.

Affected products

Official fixes

What to do

  1. 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.
  2. If affected and a fixed release exists, plan the upgrade — see the ONTAP upgrade runbook.
  3. If exploitation is listed as "active", treat remediation as urgent and review exposure (management LIFs, ONTAP S3, SnapMirror endpoints).
  4. Harden in parallel: security hardening baseline and ransomware protection on ONTAP.

Related reading

Browse all ONTAP CVEs → · Security hub