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NTAP-20191031-0004 — CVE-2019-18197 Libxslt Vulnerability in NetApp Products
Published 2019-10-31 · Updated 2021-11-29 · Status: Final · Exploitation: Public · Severity: HIGH 7.5 · ONTAP affected: Yes
Official advisory: NTAP-20191031-0004 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-2019-18197 — HIGH · CVSS 7.5 · site index
What the CVE records say
CVE-2019-18197 — In xsltCopyText in transform.c in libxslt 1.1.33, a pointer variable isn't reset under certain circumstances. If the relevant memory area happened to be freed and reused in a certain way, a bounds check could fail and memory outside a buffer could be written to, or uninitialized data could be disclosed.
Impact
Successful exploitation of this vulnerability could lead to disclosure of sensitive information, addition or modification of data, or Denial of Service (DoS).
Affected products
- Clustered Data ONTAP
- ONTAP Select Deploy administration utility
Official fixes
- Clustered Data ONTAP — vendor fix ↗
- Clustered Data ONTAP — vendor fix ↗
- Clustered Data ONTAP — vendor fix ↗
- Clustered Data ONTAP — vendor fix ↗
- Clustered Data ONTAP — vendor fix ↗
- Clustered Data ONTAP — vendor fix ↗
- ONTAP Select Deploy administration utility — vendor fix ↗
- ONTAP Select Deploy administration utility — vendor fix ↗
- ONTAP Select Deploy administration utility — 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.
Related reading
- Common ONTAP problems (FAQ) — plain-language symptoms and fixes
- ONTAP security hardening — baseline lockdown guidance
- Ransomware protection on ONTAP — SnapLock, SnapMirror vaulting, Anomaly Detection
- ONTAP error messages index — EMS/WAFL/NFS/SnapMirror messages
- Every NetApp advisory published in 2019