Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2020.3085
Citrix StoreFront Security Update
9 September 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Citrix StoreFront
Publisher: Citrix
Operating System: Network Appliance
Impact/Access: Read-only Data Access -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-8200
Original Bulletin:
https://support.citrix.com/article/CTX277455
- --------------------------BEGIN INCLUDED TEXT--------------------
Citrix StoreFront Security Update
Reference: CTX277455
Category : High
Created : 08 Sep 2020
Modified : 08 Sep 2020
Applicable Products
o StoreFront
Description of Problem
An issue has been discovered in Citrix StoreFront that, if exploited, would
allow an attacker who is authenticated on the same Microsoft Active Directory
domain as a Citrix StoreFront server to read arbitrary files from that server.
This issue has the following identifier:
o CVE-2020-8200
The issue affects the following supported Current Release (CR) versions of
Citrix StoreFront:
o Citrix StoreFront before 1909
The issue affects the following supported Long Term Service Release (LTSR)
versions of Citrix StoreFront:
o Citrix StoreFront 1912 LTSR before CU1 (1912.0.1000)
o Citrix StoreFront 3.12 for 7.15 LTSR before CU5 Hotfix (3.12.5001)
o Citrix StoreFront 3.0 for 7.6 LTSR before CU8 Hotfix (3.0.8001)
Note that Citrix StoreFront is included as part of Citrix Virtual Apps and
Desktops. Therefore, some customers may be affected who have not independently
installed Citrix StoreFront.
Customers running Citrix Virtual Apps and Desktops 2003 should note that the
version of Citrix StoreFront included in that release, 1912 LTSR, is one of the
affected versions.
Mitigating Factors
If users are not in the same Microsoft Active Directory domain as the Citrix
StoreFront server, the vulnerability is not exploitable, even if the users are
authenticated in a transitively trusted domain. Note that this applies even if
the user is logged into the Citrix StoreFront server.
What Customers Should Do
The issue has been addressed in the following Citrix StoreFront versions:
o Citrix StoreFront 1912 CU1 (1912.0.1000) and later versions of Citrix
StoreFront 1912 LTSR
o Citrix StoreFront 3.0 for 7.6 LTSR CU8 Hotfix (3.0.8001) and later versions
of StoreFront 3.0 for 7.6 LTSR
o Citrix StoreFront 3.12 for 7.15 LTSR CU5 Hotfix (3.12.5001) and later
versions of StoreFront 3.12 for 7.15 LTSR
Citrix strongly recommends that customers running affected versions of Citrix
StoreFront, both CR and LTSR versions, upgrade to a fixed version as soon as
possible.
The latest versions of Citrix StoreFront can be downloaded from the following
location:
https://www.citrix.com/downloads/storefront/
https://support.citrix.com/article/CTX277537
https://support.citrix.com/article/CTX277538
Acknowledgements
Citrix would like to thank Harrison Neal of Patch Advisor for working with us
to protect Citrix customers.
Changelog
+--------------------------+--------------------------------------------------+
|Date |Change |
+--------------------------+--------------------------------------------------+
|2020-09-08 |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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=/krc
-----END PGP SIGNATURE-----