Citrix uberAgent Security Bulletin for CVE-2024-3902

Citrix uberAgent Security Bulletin for CVE-2024-3902

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Article ID: CTX635002

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Updated On:

Description

A vulnerability has been discovered in Citrix uberAgent, which, if exploited, may result in the escalation of privileges of the attacker. 

This vulnerability only impacts uberAgent and does not impact any other Citrix and or Cloud Software Group products.

Affected Versions: 

The following supported versions of Citrix uberAgent are affected by the vulnerability: 

  • Citrix uberAgent before 7.1.2

Pre-conditions

For all Citrix uberAgent versions before 7.1.2

At least one configured [CitrixADC_Config]entry plus one of the following metrics configured:

[Timer]

  • CitrixADCPerformance

  • CitrixADCvServer

  • CitrixADCGateways

  • CitrixADCInventory

In addition for Citrix uberAgent versions 7.0, 7.0.1, 7.0.2, 7.1, 7.1.1

WmiProvider set to PowerShell and at least one CitrixSession metric configured:

[Miscellaneous]

WmiProvider = PowerShell

[Timer]

  • CitrixSessionVirtualChannelDetail

  • CitrixSessionConfig

Summary

CVE IDDescriptionPre-requisitesCWE
CVE-2024-3902Privilege escalationSee section: Pre-conditionsCWE-269

Mitigating Factors

For all Citrix uberAgent versions before 7.1.2

Disable all CitrixADC metrics by removing the following timer properties:

[Timer]

  • CitrixADCPerformance

  • CitrixADCvServer

  • CitrixADCGateways

  • CitrixADCInventory

Remove all [CitrixADC_Config] entries.

In addition for Citrix uberAgent versions 7.0, 7.0.1, 7.0.2, 7.1, 7.1.1

Ensure that WmiProvider is set to WMIC or not configured.

Instructions

Cloud Software Group strongly urges affected customers of Citrix uberAgent to install the relevant updated versions of Citrix uberAgent as soon as possible: 

  • Citrix uberAgent 7.1.2 and later

The latest Citrix uberAgent versions can be downloaded here: https://uberagent.com/download/uberagent/  

 

Acknowledgements

Cloud Software Group thanks Daniel Bachmann of Raiffeisen Schweiz for working with us to protect Cloud Software Group customers.

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.

 

Additional Information

2024-04-18 T 16:00:00ZInitial publication
2024-07-13 T 15:45:00ZPlatform migration
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