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 1. Security Bulletin


XENSERVER AND CITRIX HYPERVISOR SECURITY UPDATE FOR CVE-2024-45817

XENSERVER AND CITRIX HYPERVISOR SECURITY UPDATE

SEP 24, 2024•KNOWLEDGE


INFORMATION

Title
XenServer and Citrix Hypervisor Security Update for CVE-2024-45817
URL Name
CTX691646-xenserver-and-citrix-hypervisor-security-update-for-cve202445817
CTX Number
CTX691646
Article Type
Security Bulletin
Created Date
24/Sep/2024
Last Modified Date
24/Sep/2024
Severity
Medium
Solution

Description of Problem

An issue has been identified that affects both XenServer 8 and Citrix Hypervisor
8.2 CU1 LTSR and allow a malicious administrator of a guest VM to cause the host
to crash or become unresponsive. 

This issue has the following identifier:

 * CVE-2024-45817

In addition, two issues have been identified in XenServer 8 that may allow an
attacker on the management network to cause the XenServer host SNMP service to
crash or become unresponsive.

These issues have the following identifiers:

 * CVE-2022-24805
 * CVE-2022-24809

What Customers Should Do

For customers using XenServer 8, we have pushed updates to both the Early Access
and Normal update channels.  We recommend that customers update to the latest
version from their chosen channel following the instructions at
https://docs.xenserver.com/en-us/xenserver/8/update

 

For customers using Citrix Hypervisor 8.2 CU1 LTSR, we have released a hotfix to
address this issue. We recommend that customers install this hotfix and follow
the instructions in the linked article.  The hotfix can be downloaded from the
following location:

 

CTX691652- https://support.citrix.com/s/article/CTX691652-hotfix-xs82ecu1077-for-citrix-hypervisor-82-cumulative-update-1

 

What We Are Doing 

We are 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

 

Subscribe to Receive Alerts

We strongly recommend that all customers subscribe to receive alerts when a
security bulletin is created or modified at
https://support.citrix.com/user/alerts

 

Reporting Security Vulnerabilities to us

We welcome input regarding the security of our products and consider any and all
potential vulnerabilities seriously. For details on our vulnerability response
process and guidance on how to report security-related issues to us, 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. Cloud Software Group 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.

XenServerCitrix HypervisorSecurity Bulletin

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