-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.1440
         Citrix ShareFile storage zones controller security update
                               28 April 2021

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           ShareFile
Publisher:         Citrix
Operating System:  Windows
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Root Compromise -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-22891  

Original Bulletin: 
   https://support.citrix.com/article/CTX310780

- --------------------------BEGIN INCLUDED TEXT--------------------

Citrix ShareFile storage zones controller security update

Reference: CTX310780
Category : Critical
Created  : 27 April 2021
Modified : 27 April 2021

Applicable Products

  o ShareFile

Description of Problem

A security issue has been identified in the 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       CWE-664: Improper    Network access to
CVE-2021-22891 control allows          Control of a         the ShareFile
               unauthenticated remote  Resource Through its storage zones
               compromise              Lifetime             controller

The following supported versions of Citrix ShareFile storage zones controller
are affected:

  o ShareFile storage zones controller 5.7 before 5.7.3
  o ShareFile storage zones controller 5.8 before 5.8.3
  o ShareFile storage zones controller 5.9 before 5.9.3
  o ShareFile storage zones controller 5.10 before 5.10.1
  o ShareFile storage zones controller 5.11 before 5.11.18

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 5.7.3 and later 5.7 versions
  o ShareFile storage zones controller 5.8.3 and later 5.8 versions
  o ShareFile storage zones controller 5.9.3 and later 5.9 versions
  o ShareFile storage zones controller 5.10.1 and later 5.10 versions
  o ShareFile storage zones controller 5.11.18 and later 5.11 versions

Citrix strongly recommends that customers upgrade to a fixed version as soon as
possible.

The latest versions of Citrix ShareFile storage zones controller are available
from the following Citrix website location:

https://www.citrix.com/downloads/sharefile/

Reporting Security Vulnerabilities to Citrix

Citrix welcomes input regarding the security of its products and considers any
and all potential vulnerabilities seriously. For guidance on how to report
security-related issues to Citrix, please see the following webpage:- https://
www.citrix.com/en-gb/about/trust-center/vulnerability-process.html .

Changelog

Date       Change
2021-04-27 Initial Publication

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        https://www.auscert.org.au/bulletins/

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
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=FzCm
-----END PGP SIGNATURE-----