===================================================================                                 CERT-Renater

                      Note d'Information No. 2022/VULN409

_____________________________________________________________________

DATE                : 02/11/2022

HARDWARE PLATFORM(S): /

OPERATING SYSTEM(S): Systems running Citrix Hypervisor versions
                               prior to  8.2 LTSR CU1.

====================================================================https://support.citrix.com/article/CTX472851/citrix-hypervisor-security-bulletin-for-cve202242316-cve202242317-cve202242318
_____________________________________________________________________

CTX472851
Citrix Hypervisor Security Bulletin for CVE-2022-42316,
CVE-2022-42317 & CVE-2022-42318

Security Bulletin | Medium | Created: 01 Nov 2022 | Modified:
01 Nov 2022


Applicable Products
Citrix Hypervisor


Description of Problem
Several security issues have been identified in Citrix Hypervisor
8.2 LTSR CU1, each of which may allow a privileged user in a
guest VM to cause part of the management service to become
unresponsive, resulting in the inability to create new guests
or modify the configuration of running guests.


These issues have the following CVE identifiers:
CVE-2022-42316
CVE-2022-42317
CVE-2022-42318
CVE-2022-42323

What Customers Should Do
Citrix has released a hotfix to address these issues. Citrix
recommends that affected customers install this hotfix as their
patching schedule allows.  The hotfix can be downloaded from the
following locations:
Citrix Hypervisor 8.2 LTSR CU1:
CTX472925 – https://support.citrix.com/article/CTX472925


What Citrix is Doing
Citrix is notifying customers and channel partners about this
potential security issue through the publication of this security
bulletin on the Citrix Knowledge Center at
https://support.citrix.com/securitybulletins.


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.


Subscribe to Receive Alerts
Citrix strongly recommends that all customers subscribe to
receive alerts when a Citrix security bulletin is created or
modified at  https://support.citrix.com/user/alerts.


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. Customers
are therefore recommended to always view the latest version of this
document directly from the Citrix Knowledge Center.


Changelog

Date            Change
2022-11-1       Initial Publication


========================================================+ CERT-RENATER        |    tel : 01-53-94-20-44         +
+ 23/25 Rue Daviel    |    fax : 01-53-94-20-41         +
+ 75013 Paris         |   email:cert@support.renater.fr +
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