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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.2694 Citrix ADC and Citrix Gateway Security Bulletin for CVE-2023-24487, CVE-2023-24488 11 May 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Citrix ADC Citrix Gateway Publisher: Citrix Operating System: Network Appliance Resolution: Patch/Upgrade CVE Names: CVE-2023-24488 CVE-2023-24487 Original Bulletin: https://support.citrix.com/article/CTX477714/citrix-adc-and-citrix-gateway-security-bulletin-for-cve202324487-cve202324488 Comment: CVSS (Max): 6.3 CVE-2023-24487 (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L) CVSS Source: Citrix Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - --------------------------BEGIN INCLUDED TEXT-------------------- Citrix ADC and Citrix Gateway Security Bulletin for CVE-2023-24487, CVE-2023-24488 Reference: CTX477714 Category : Severity: Medium Created : 09 May 2023 Modified : 09 May 2023 Applicable Products o Citrix ADC o Citrix Gateway Description of Problem Vulnerabilities have been discovered in Citrix ADC and Citrix Gateway listed below, that, if exploited, could result in the following security issues: Impacted Products, Versions and Components The following supported versions of Citrix ADC and Citrix Gateway are affected by this vulnerability: o Citrix ADC and Citrix Gateway 13.1 before 13.1-45.61 o Citrix ADC and Citrix Gateway 13.0 before 13.0-90.11 o Citrix ADC and Citrix Gateway 12.1 before 12.1-65.35 o Citrix ADC 12.1-FIPS before 12.1-55.296 o Citrix ADC 12.1-NDcPP before 12.1-55.296 This bulletin only applies to customer-managed Citrix ADC and Citrix Gateway. Customers using Citrix-managed cloud services or Citrix-managed Adaptive Authentication do not need to take any action. +--------------+-----------+-----------------------+---------------------+----+ | CVE ID |Description| Pre-requisites | CWE |CVSS| +--------------+-----------+-----------------------+---------------------+----+ | | |Appliance must be |Improper | | | | |configured as a Gateway|Neutralization of | | |CVE-2023-24488|Cross site |(SSL VPN, ICA Proxy, |Input During Web Page|6.1 | | |scripting |CVPN, RDP Proxy) OR AAA|Generation | | | | |virtual server |('Cross-site | | | | | |Scripting') CWE-79 | | +--------------+-----------+-----------------------+---------------------+----+ | |Arbitrary |Access to NSIP or SNIP |Incorrect Check of | | |CVE-2023-24487|file read |with management |Function Return Value|6.3 | | | |interface access |CWE-253 | | +--------------+-----------+-----------------------+---------------------+----+ What Customers Should Do Affected customers of Citrix ADC and Citrix Gateway are recommended to install the relevant updated versions of Citrix ADC or Citrix Gateway as soon as possible: o Citrix ADC and Citrix Gateway 13.1-45.61 and later releases o Citrix ADC and Citrix Gateway 13.0-90.11 and later releases of 13.0 o Citrix ADC and Citrix Gateway 12.1-65.35 and later releases of 12.1 o Citrix ADC 12.1-FIPS 12.1-55.296 and later releases of 12.1-FIPS o Citrix ADC 13.1-FIPS 13.1-37.150 and later releases of 13.1-FIPS o Citrix ADC 12.1-NDcPP 12.1-55.296 and later releases of 12.1-NDcPP Acknowledgements Citrix thanks Petr Juhanak of Accenture, Dylan Pindur of Assetnote, and Wisdomtree of Ant Group Digital Financial Security Team 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 2023-05-09 T 11:45:00Z Initial Publication - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). 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