Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2022.6631
Citrix Hypervisor Security Bulletin for CVE-2022-3643,
CVE-2022-42328 & CVE-2022-42329
20 December 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: Citrix Hypervisor
Publisher: Citrix
Operating System: Virtualisation
Resolution: Patch/Upgrade
CVE Names: CVE-2022-42329 CVE-2022-42328 CVE-2022-3643
Original Bulletin:
https://support.citrix.com/article/CTX473048/citrix-hypervisor-security-bulletin-for-cve20223643-cve202242328-cve202242329
Comment: CVSS (Max): 6.3 CVE-2022-3643 (CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H)
CVSS Source: SUSE
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
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Citrix Hypervisor Security Bulletin for CVE-2022-3643, CVE-2022-42328 & CVE-2022-42329
Reference: CTX473048
Category : Medium
Created : 19 December 2022
Modified : 19 December 2022
Applicable Products
o 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 the host to
become unresponsive or crash.
These issues have the following CVE identifiers:
o CVE-2022-3643
o CVE-2022-42328
o CVE-2022-42329
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: CTX476080 - https://support.citrix.com/article/
CTX476080
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
2022-12-19 Initial Publication
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