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AUSCERT External Security Bulletin Redistribution
ESB-2022.3928
Citrix Hypervisor Security Bulletin for CVE-2022-33745
10 August 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: Citrix Hypervisor
XenServer
Publisher: Citrix
Operating System: Citrix XenServer
Resolution: Patch/Upgrade
CVE Names: CVE-2022-33745
Original Bulletin:
https://support.citrix.com/article/CTX463455/citrix-hypervisor-security-bulletin-for-cve202233745
Comment: CVSS (Max): 8.8 CVE-2022-33745 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H)
CVSS Source: NVD
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
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Citrix Hypervisor Security Bulletin for CVE-2022-33745
Reference: CTX463455
Category : Low
Created : 09 August 2022
Modified : 09 August 2022
Applicable Products
o Citrix Hypervisor
o XenServer
Description of Problem
A security issue has been identified in Citrix Hypervisor 7.1 LTSR CU2 that may
allow privileged code in a PV guest VM to fail to perform management
operations.
The issue has the following CVE identifier:
o CVE-2022-33745
Mitigating Factors
Customers who are not running PV guest VMs are not affected by this issue.
What Customers Should Do
Citrix has released a hotfix to address this issue. Citrix recommends that
affected customers install this hotfix as their patching schedule allows. The
hotfix can be downloaded from the following location:
Citrix XenServer 7.1 CU2 LTSR: CTX462418 - https://support.citrix.com/article/
CTX462418
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
2022-08-09 Initial Publication
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