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             AUSCERT External Security Bulletin Redistribution

          Citrix Hypervisor Security Bulletin for CVE-2022-33745
                              10 August 2022


        AusCERT Security Bulletin Summary

Product:           Citrix Hypervisor
Publisher:         Citrix
Operating System:  Citrix XenServer
Resolution:        Patch/Upgrade
CVE Names:         CVE-2022-33745  

Original Bulletin: 

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

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/

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 .


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.


Date       Change
2022-08-09 Initial Publication

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