Summary

Clustered Data ONTAP versions 8.1 through 9.1P1 are susceptible to a vulnerability which allows remote attackers to cause a denial-of-service (DoS) in NFS and SMB environments. Users are encouraged to upgrade to a fixed version to resolve this vulnerability.

Impact

Exploitation of this vulnerability will allow a remote attacker to cause a denial-of-service (DoS) condition to affected versions of clustered Data ONTAP if NFS or SMB protocols are enabled.

Vulnerability Scoring Details

Exploitation and Public Announcements

NetApp is aware of public discussion of this vulnerability.

Affected Products

• Clustered Data ONTAP

Products Not Affected

• 7-Mode Transition Tool
• ATTO FibreBridge
• Brocade Fabric Operating System Firmware
• Brocade Network Advisor Software
• Clustered Data ONTAP Antivirus Connector
• Data ONTAP operating in 7-Mode
• E-Series SANtricity Management Plug-ins (VMware vCenter)
• E-Series SANtricity Storage Manager
• E-Series SANtricity Web Services (REST API) for Web Services Proxy
• FAS/AFF BIOS
• Host Utilities - SAN for Linux
• Host Utilities - SAN for Windows
• MetroCluster Tiebreaker for clustered Data ONTAP
• NetApp Cloud Backup (formerly AltaVault)
• NetApp Cloud Backup OST Plug-in (formerly AltaVault OST Plug-in)
• NetApp Manageability SDK
• NetApp NFS Plug-in for VMware VAAI
• NetApp Plug-in for Symantec NetBackup
• NetApp SANtricity SMI-S Provider
• NetApp SMI-S Provider
• NetApp Service Level Manager
• NetApp SolidFire & HCI Storage Node (Element Software)
• NetApp Storage Encryption
• NetApp VASA Provider for Clustered Data ONTAP 7.2 and above
• OnCommand API Services
• OnCommand Cloud Manager
• OnCommand Insight
• OnCommand System Manager 9.x
• OnCommand Unified Manager for 7-Mode (core package)
• OnCommand Workflow Automation
• Open Systems SnapVault Agent
• RAID Controller CTS2600 Legacy Engenio
• Service Processor
• Single Mailbox Recovery
• Snap Creator Framework
• SnapCenter
• SnapDrive for Unix
• SnapDrive for Windows
• SnapManager for Exchange
• SnapManager for Hyper-V
• SnapManager for MS SQL
• SnapManager for Oracle
• SnapManager for SAP
• SnapManager for Sharepoint
• Storage Replication Adapter for Clustered Data ONTAP for VMware vSphere 7.2 and above
• Storage Services Connector
• StorageGRID (formerly StorageGRID Webscale)
• StorageGRID Webscale NAS Bridge
• StorageGRID9 (9.x and prior)
• System Setup
• Virtual Storage Console for VMware vSphere 7.2 and above

Software Versions and Fixes

NetApp's currently available patches are listed below.

Workarounds

This vulnerability can be mitigated by performing the following steps:

• Disable UDP on all NFS SVMs in the cluster. Refer to the NFS options documentation for more information.
• Disable NBNS over UDP on all SMB SVMs in the cluster. Refer to the CIFS options documentation for more information.

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

Final.

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

This advisory is posted at the following link:
https://security.netapp.com/advisory/NTAP-20170331-0001

Revision History