CVE-2018-5391 Linux Kernel Denial of Service Vulnerability in NetApp Products

Summary

Multiple NetApp products incorporate the Linux kernel. Linux kernel versions 3.9 and higher are susceptible to a vulnerability related to the reassembly of fragmented IPv4 and IPv6 packets. A remote attacker could send specially crafted packets to cause Denial of Service (DoS). This vulnerability is referred to as FragmentSmack.

Impact

Successful exploitation of this vulnerability may allow a remote attacker cause Denial of Service (DoS).

Vulnerability Scoring Details

CVE Score Vector
CVE-2018-5391 7.5 (HIGH) CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitation and Public Announcements

NetApp is aware of public discussion of this vulnerability.

References

Affected Products

  • AFF Baseboard Management Controller (BMC) - A700s
  • Active IQ Unified Manager for VMware vSphere
  • Data ONTAP Edge
  • E-Series SANtricity OS Controller Software 11.x
  • FAS/AFF Baseboard Management Controller (BMC) - A320/C190/A220/FAS2720/FAS2750/A800
  • NetApp Cloud Backup (formerly AltaVault)
  • NetApp HCI Compute Node (Bootstrap OS)
  • 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
  • StorageGRID (formerly StorageGRID Webscale)
  • StorageGRID9 (9.x and prior)
  • Virtual Storage Console for VMware vSphere 9.7 and above

Products Not Affected

  • 7-Mode Transition Tool
  • ATTO FibreBridge - 6500N
  • Active IQ Unified Manager for Linux
  • Active IQ Unified Manager for Microsoft Windows
  • Brocade Fabric Operating System Firmware
  • Cloud Manager
  • Cluster Network Switch (NetApp CN1610)
  • Clustered Data ONTAP
  • Clustered Data ONTAP Antivirus Connector
  • E-Series SANtricity Storage Manager
  • E-Series SANtricity Web Services (REST API) for Web Services Proxy
  • Element Plug-in for vCenter Server
  • FAS/AFF BIOS
  • Host Utilities - SAN for Linux
  • Host Utilities - SAN for Windows
  • MetroCluster Tiebreaker for clustered Data ONTAP
  • NetApp Cloud Backup OST Plug-in (formerly AltaVault OST Plug-in)
  • NetApp Converged Systems Advisor Agent
  • NetApp HCI Compute Node BIOS
  • NetApp Manageability SDK
  • NetApp NFS Plug-in for VMware VAAI
  • NetApp SANtricity Cloud Connector
  • NetApp SANtricity SMI-S Provider
  • NetApp SMI-S Provider
  • NetApp SolidFire & HCI Management Node
  • NetApp SteelStore Cloud Integrated Storage
  • NetApp Storage Encryption
  • ONTAP Select Deploy administration utility
  • OnCommand Insight
  • OnCommand Workflow Automation
  • Open Systems SnapVault Agent
  • Service Processor
  • Single Mailbox Recovery
  • Snap Creator Framework
  • SnapCenter
  • SnapDrive for Unix
  • SnapManager for Exchange
  • SnapManager for Hyper-V
  • SnapManager for Oracle
  • SnapManager for SAP
  • SnapManager for Sharepoint
  • Storage Services Connector
  • StorageGRID Baseboard Management Controller (BMC)
  • System Manager 9.x

Software Versions and Fixes

NetApp's currently available patches are listed below.


Product First Fixed in Release
E-Series SANtricity OS Controller Software 11.x https://mysupport.netapp.com/NOW/download/software/eseries_cfw/11.50/
Storage Replication Adapter for Clustered Data ONTAP for VMware vSphere 9.7 and above https://mysupport.netapp.com/site/products/all/details/vsc/downloads-tab/download/30048/9.7.1/
NetApp HCI Compute Node (Bootstrap OS) https://mysupport.netapp.com/site/products/all/details/netapp-hci/downloads-tab/download/62542/1.8
SnapProtect SnapProtect has no plans to address this vulnerability. See the EOA announcement for more information.
Virtual Storage Console for VMware vSphere 9.7 and above https://mysupport.netapp.com/products/vsc/9.7/
NetApp VASA Provider for Clustered Data ONTAP 9.7 and above https://mysupport.netapp.com/products/vsc/9.7/
StorageGRID (formerly StorageGRID Webscale) https://mysupport.netapp.com/NOW/download/software/storagegrid_webscale/11.1.1/
Active IQ Unified Manager for VMware vSphere https://mysupport.netapp.com/products/oncommand_um/9.4P1/
AFF Baseboard Management Controller (BMC) - A700s https://mysupport.netapp.com/NOW/cgi-bin/fw?platform=AFF-A700s

The first fixed version is 1.81. To download the patch, choose “Service Image” from the AFF_A700s “System Firmware + Diagnostics Download” page.
FAS/AFF Baseboard Management Controller (BMC) - A320/C190/A220/FAS2720/FAS2750/A800 https://mysupport.netapp.com/NOW/cgi-bin/fw

Fixed by bug 1185801. First fixed versions include the following: 10.2,11.3,11.3P1,12.0

Per CERT KB 641765: Further testing shows that these mitigations are not a 100% fix. A significantly strong attack will still result in a denial of service condition.
Data ONTAP Edge Data ONTAP Edge has no plans to address this vulnerability. See the EOA announcement for more information.
NetApp SolidFire, Enterprise SDS & HCI Storage Node (Element Software) https://mysupport.netapp.com/site/products/all/details/element-software/downloads-tab/download/62654/12.0
https://mysupport.netapp.com/site/products/all/details/netapp-hci/downloads-tab/download/62542/1.8

Obtaining Software Fixes

Software fixes will be made available through the NetApp Support website in the Software Download section.

https://mysupport.netapp.com/site/downloads/

Customers who do not have access to the Support website should contact Technical Support at the number below to obtain the patches.

Contact Information

Check http://mysupport.netapp.com for further updates.
For questions, contact NetApp at:

Technical Support
mysupport.netapp.com
1 888 4 NETAPP (1 888 463 8277) (U.S. and Canada)
+00 800 44 638277 (EMEA/Europe)
+800 800 80 800 (Asia/Pacific)

Status of This Notice

Interim.

NetApp will continue to update this advisory as additional information becomes available.

This advisory should be considered the single source of current, up-to-date, authorized and accurate information from NetApp.

This advisory is posted at the following link:
https://security.netapp.com/advisory/NTAP-20181003-0002

Revision History

Revision # Date Comments
1.0 20181003 Initial Public Release
2.0 20181004 Cluster Network Switch (NetApp CN1610) moved to Products Not Affected
3.0 20181011 StorageGRID Webscale added to Software Versions and Fixes
4.0 20181102 NetApp HCI Compute Nodes, SolidFire Element OS moved to Affected Products
5.0 20181122 NetApp HCI Storage Nodes moved to Affected Products
6.0 20181212 E-Series SANtricity OS Controller Software 11.x added to Software Versions and Fixes
7.0 20181221 OnCommand Unified Manager for VMware vSphere 7.3 and above added to Software Versions and Fixes
8.0 20190531 SnapProtect moved to Won't Fix status
9.0 20190710 FAS/AFF Baseboard Management Controller (BMC) added to Software Versions and Fixes
10.0 20190827 AFF Baseboard Management Controller (BMC) - A700s moved to Affected Products
11.0 20200319 NetApp VASA Provider for Clustered Data ONTAP 7.2 and above, Virtual Storage Console for VMware vSphere 7.2 and above added to Software Versions and Fixes
12.0 20200327 Active IQ Performance Analytics Services added to Software Versions and Fixes
13.0 20200522 NetApp SolidFire & HCI Management Node added to Software Versions and Fixes
14.0 20200612 NetApp HCI Compute Node (Bootstrap OS) moved to Products Not Affected
15.0 20201119 AFF Baseboard Management Controller (BMC) - A700s, and Storage Replication Adapter for Clustered Data ONTAP for VMware vSphere 9.7 and above added to Software Versions and Fixes

This document is provided solely for informational purposes. All information is based upon NetApp’s current knowledge and understanding of the hardware and software products tested by NetApp, and the methodology and assumptions used by NetApp. NetApp is not responsible for any errors or omissions that may be contained herein, and no warranty, representation, or other legal commitment or obligation is being provided by NetApp. © 2017 NetApp, Inc. All rights reserved. No portions of this document may be reproduced without prior written consent of NetApp, Inc.