Article Number: 000153928


DSA-2020-039: Dell EMC Isilon OneFS Security Update for a SyncIQ Vulnerability

Article Content


Impact

Critical

Overview

Summary:   
Dell EMC Isilon OneFS 8.2.0 and later contains a workaround for a SyncIQ a vulnerability that affects all current versions of OneFS through OneFS 8.2.2. This vulnerability may potentially be exploited by malicious users to compromise the affected system.

Details
  • Unauthorized Access vulnerability

CVE-2020-5328

Dell EMC Isilon OneFS (all current versions) contain an unauthorized access vulnerability due to a lack of thorough authorization checks in SyncIQ. This is only impactful if the SyncIQ feature is licensed, and the encrypted syncs option is not marked as required. When this happens, loss of control of the cluster may occur.

CVSS v3.1 Base Score: 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

  • Unauthorized Access vulnerability

CVE-2020-5328

Dell EMC Isilon OneFS (all current versions) contain an unauthorized access vulnerability due to a lack of thorough authorization checks in SyncIQ. This is only impactful if the SyncIQ feature is licensed, and the encrypted syncs option is not marked as required. When this happens, loss of control of the cluster may occur.

CVSS v3.1 Base Score: 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Dell Technologies recommends all customers consider both the CVSS base score and any relevant temporal and environmental scores that may impact the potential severity associated with a particular security vulnerability.

Affected Products and Remediation

Affected products:   
Dell EMC Isilon OneFS versions through OneFS 8.2.2

Workaround:   

Scenario

OneFS versions prior to 8.2.0

OneFS 8.2.0 and later

SyncIQ is not licensed

No change needed

No change needed

SyncIQ is licensed but not used

Disable SyncIQ: 

  1. On the cluster, log in as SSH.

  2. Run the following command to disable SyncIQ: 

isi sync settings modify  -service=Off

Disable SyncIQ:   

  1. On the cluster, log in as SSH.                     

  2. Run the following command to disable SyncIQ:

isi sync settings modify  -service=Off

 

SyncIQ is licensed and used

  1. Upgrade to OneFS 8.2.0 on all clusters that are using SyncIQ.

  2. Follow the workaround instructions in For OneFS versions 8.2.0 and later in the next cell.







 

  1. Enable SyncIQ encryption for each impacted cluster. For more details, see the Configure certificates procedure described in the Data Encryption with SyncIQ chapter of the OneFS 8.2.0 CLI Administration Guide, and the steps that need to be run on each policy to enable encryption.

  2. Create a SyncIQ policy to enable encryption, as described in the Create encrypted SyncIQ policies procedure of the guide.

  3. Force SyncIQ encryption, as described in the same procedure.

isi sync setting mod --encryption-required=True

Adjustment to lessen the vulnerability impact The cluster can be left in a less vulnerable state by enabling a SyncIQ password. For more information see KB article 542907:  Link Error Dell EMC Isilon OneFS: How to use a PSK when using SyncIQ since 7.0.0 on the Customer support site.   
 


Note: Because SyncIQ encryption requires mutual authentication SSL handshakes, each cluster must specify its own identity certificate and the CA certificate of the peer. For more information, see the SyncIQ traffic encryption section of the OneFS 8.2.1 Web Admin Guide.



Affected products:   
Dell EMC Isilon OneFS versions through OneFS 8.2.2

Workaround:   

Scenario

OneFS versions prior to 8.2.0

OneFS 8.2.0 and later

SyncIQ is not licensed

No change needed

No change needed

SyncIQ is licensed but not used

Disable SyncIQ: 

  1. On the cluster, log in as SSH.

  2. Run the following command to disable SyncIQ: 

isi sync settings modify  -service=Off

Disable SyncIQ:   

  1. On the cluster, log in as SSH.                     

  2. Run the following command to disable SyncIQ:

isi sync settings modify  -service=Off

 

SyncIQ is licensed and used

  1. Upgrade to OneFS 8.2.0 on all clusters that are using SyncIQ.

  2. Follow the workaround instructions in For OneFS versions 8.2.0 and later in the next cell.







 

  1. Enable SyncIQ encryption for each impacted cluster. For more details, see the Configure certificates procedure described in the Data Encryption with SyncIQ chapter of the OneFS 8.2.0 CLI Administration Guide, and the steps that need to be run on each policy to enable encryption.

  2. Create a SyncIQ policy to enable encryption, as described in the Create encrypted SyncIQ policies procedure of the guide.

  3. Force SyncIQ encryption, as described in the same procedure.

isi sync setting mod --encryption-required=True

Adjustment to lessen the vulnerability impact The cluster can be left in a less vulnerable state by enabling a SyncIQ password. For more information see KB article 542907:  Link Error Dell EMC Isilon OneFS: How to use a PSK when using SyncIQ since 7.0.0 on the Customer support site.   
 


Note: Because SyncIQ encryption requires mutual authentication SSL handshakes, each cluster must specify its own identity certificate and the CA certificate of the peer. For more information, see the SyncIQ traffic encryption section of the OneFS 8.2.1 Web Admin Guide.



Related Information

Dell Security Advisories and Notices
Dell Vulnerability Response Policy
CVSS Scoring Guide


The information in this Dell Technologies Security Advisory should be read and used to assist in avoiding situations that may arise from the problems described herein. Dell Technologies distributes Security Advisories to bring important security information to the attention of users of the affected product(s). Dell Technologies assesses the risk based on an average of risks across a diverse set of installed systems and may not represent the actual risk to your local installation and individual environment. It is recommended that all users determine the applicability of this information to their individual environments and take appropriate actions. The information set forth herein is provided "as is" without warranty of any kind. Dell Technologies expressly disclaims all warranties, either express or implied, including the warranties of merchantability, fitness for a particular purpose, title and non-infringement. In no event shall Dell Technologies, its affiliates or suppliers, be liable for any damages whatsoever arising from or related to the information contained herein or actions that you decide to take based thereon, including any direct, indirect, incidental, consequential, loss of business profits or special damages, even if Dell Technologies, its affiliates or suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages, so the foregoing limitation shall apply to the extent permissible under law.

Article Properties


Affected Product

PowerScale OneFS

Product

PowerScale OneFS, Product Security Information

Last Published Date

20 Nov 2020

Version

2

Article Type

Dell Security Advisory

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