CVE-2022-27512: Citrix Application Delivery Management Security Bulletin for CVE-2022-27511 and CVE-2022-27512

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Description of Problem

Vulnerabilities have been discovered in Citrix Application Delivery Management (Citrix ADM) that, if exploited, could result in the following security issues:

• Corruption of the system by a remote, unauthenticated user. The impact of this can include the reset of the administrator password at the next device reboot, allowing an attacker with ssh access to connect with the default administrator credentials after the device has rebooted.

• Temporary disruption of the ADM license service. The impact of this includes preventing new licenses from being issued or renewed by Citrix ADM.

CVE-ID

Description

CWE

Pre-conditions

CVE-2022-27511

Corruption of the system by a remote, unauthenticated user potentially leading to the reset of the administrator password

CWE-284: Improper Access Control

Access to ADM IP

CVE-2022-27512

Temporary disruption of the ADM license service

CWE-664: Improper Control of a Resource Through its Lifetime

Access to ADM IP

All supported versions of Citrix ADM server and Citrix ADM agent are affected by this vulnerability. The following versions of Citrix ADM are in support: Citrix ADM 13.1 and Citrix ADM 13.0.

The affected builds are:

• Citrix ADM 13.1 before 13.1-21.53

• Citrix ADM 13.0 before 13.0-85.19

Please note that Citrix ADM 12.1 has now reached End of Life and is no longer supported. Customers running Citrix ADM 12.1 are recommended to upgrade to a supported version as soon as possible.

These issues have already been addressed in Citrix ADM service. Customers using Citrix ADM service do not need to take any action.

Mitigating Factors

Citrix strongly recommends that network traffic to the Citrix ADM’s IP address is segmented, either physically or logically, from standard network traffic. Doing so diminishes the risk of exploitation of these issues.

What Customers Should Do

Citrix recommends that affected customers install the relevant updated versions of Citrix ADM server and Citrix ADM agent as soon as possible:

• Citrix ADM 13.1-21.53 and later versions of 13.1

• Citrix ADM 13.0-85.19 and later versions of 13.0

Customers must upgrade both Citrix ADM server and all associated Citrix ADM agents. Please see the product documentation for assistance with upgrading the Citrix ADM server and Citrix ADM agents.

Acknowledgements

Citrix thanks Florian Hauser of Code White for working with us to protect Citrix 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.

Changelog

Date

Change

2022-06-14

Initial Publication