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AUSCERT External Security Bulletin Redistribution
ESB-2021.3105
Citrix ShareFile Storage Zones Controller Security Update
15 September 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: Citrix ShareFile Storage Zones Controller
Publisher: Citrix
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Unauthorised Access -- Remote/Unauthenticated
Reduced Security -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-22941
Original Bulletin:
https://support.citrix.com/article/CTX328123
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Citrix ShareFile Storage Zones Controller Security Update
Reference: CTX328123
Category : Critical
Created : 08 September 2021
Modified : 14 September 2021
Applicable Products
o ShareFile
Description of Problem
A security issue has been identified in Citrix ShareFile storage zones
controller which, if exploited, would allow an unauthenticated attacker to
remotely compromise the storage zones controller.
The issue has been given the following identifier:
+--------------+--------------------------+------------+----------------------+
|CVE-ID |Description |Type |Pre-requisites |
+--------------+--------------------------+------------+----------------------+
| |Improper resource control |CWE-284: |Network access to the |
|CVE-2021-22941|allows unauthenticated |Improper |ShareFile storage |
| |remote compromise |Access |zones controller |
| | |Control | |
+--------------+--------------------------+------------+----------------------+
All currently supported versions of Citrix ShareFile storage zones controller
before 5.11.20 are affected by this issue.
Customers using Citrix-managed storage zones in the cloud are not affected by
this issue.
What Customers Should Do
This issue has been addressed in the following versions of Citrix ShareFile
storage zones controller:
o ShareFile storage zones controller 5.11.20 and later versions
Citrix strongly recommends that customers upgrade to a fixed version as soon as
possible.
The latest version of Citrix ShareFile storage zones controller is available
from the following Citrix website location:
https://www.citrix.com/downloads/sharefile/
Acknowledgements
Citrix would like to thank Markus Wulftange of Code White GmbH for working with
us to help protect Citrix customers.
What Citrix is Doing
Citrix is notifying customers and channel partners about this potential
security issue. This article is also available from the Citrix Knowledge Center
at https://support.citrix.com/ .
Obtaining Support on This Issue
If you require technical assistance with this issue, please contact Citrix
Technical Support. Contact details for Citrix Technical Support are available
at https://www.citrix.com/support/open-a-support-case/ .
Reporting Security Vulnerabilities to Citrix
Citrix welcomes input regarding the security of its products and considers any
and all potential vulnerabilities seriously. For details on our vulnerability
response process and guidance on how to report security-related issues to
Citrix, please see the following webpage: https://www.citrix.com/about/
trust-center/vulnerability-process.html .
Disclaimer
This document is provided on an "as is" basis and does not imply any kind of
guarantee or warranty, including the warranties of merchantability or fitness
for a particular use. Your use of the information on the document is at your
own risk. Citrix reserves the right to change or update this document at any
time.
Changelog
Date Change
2021-09-14 Initial Publication
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