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NTAP-20230214-0002 — December 2022 cURL/libcURL Vulnerabilities in NetApp Products

Published 2023-02-14 · Updated 2024-04-25 · Status: Interim · Exploitation: Public · Severity: HIGH 7.5 · ONTAP affected: Yes

Official advisory: NTAP-20230214-0002 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: Active IQ Unified Manager · SolidFire / NetApp HCI · ONTAP  |  ONTAP-relevant  |  highest CVSS: 7.5

CVEs in this advisory

What the CVE records say

CVE-2022-43551 — A vulnerability exists in curl <7.87.0 HSTS check that could be bypassed to trick it to keep using HTTP. Using its HSTS support, curl can be instructed to use HTTPS instead of using an insecure clear-text HTTP step even when HTTP is provided in the URL. However, the HSTS mechanism could be bypassed if the host name in the given URL first uses IDN characters that get replaced to ASCII counterparts as part of the IDN conversion. Like using the character UTF-8 U+3002 (IDEOGRAPHIC FULL STOP) instead of the common ASCII full stop (U+002E) `.`. Then in a subsequent request, it does not detect the HSTS state and makes a clear text transfer. Because it would store the info IDN encoded but look for it IDN decoded.

CVE-2022-43552 — A use after free vulnerability exists in curl <7.87.0. Curl can be asked to *tunnel* virtually all protocols it supports through an HTTP proxy. HTTP proxies can (and often do) deny such tunnel operations. When getting denied to tunnel the specific protocols SMB or TELNET, curl would use a heap-allocated struct after it had been freed, in its transfer shutdown code path.

Impact

Successful exploitation of these vulnerabilities could lead to disclosure of sensitive information. <br><br> ONTAP 9 (formerly Clustered Data ONTAP:<br> CVE-2022-43551 affects version 9.11.1.<br> CVE-2022-43552 impacts versions 9.8, 9.9.1, 9.10.1 and 9.11.1. <br><br> Active IQ Unified Manager for VMware vSphere: <br> Affected by CVE-2022-43551 only in version 9.12.<br> Affected by CVE-2022-43552 in all supported versions.

Affected products

Official fixes

References

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