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AUSCERT External Security Bulletin Redistribution
ESB-2009.1066
Cross-Site Scripting Vulnerability in Citrix Web Interface
16 July 2009
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AusCERT Security Bulletin Summary
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Product: Web Interface 4.6 for Presentation Server
Web Interface 5.0
Publisher: Citrix
Operating System: Windows
Impact/Access: Execute Arbitrary Code/Commands
-- Remote with User Interaction
Access Privileged Data
-- Remote with User Interaction
Cross-site Scripting
-- Remote with User Interaction
Resolution: Patch
CVE Names: CVE-2009-2454
Original Bulletin:
http://support.citrix.com/article/CTX120697
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Cross-Site Scripting Vulnerability in Citrix Web Interface
Document ID: CTX120697 / Created On: Apr 21, 2009 / Updated On: Apr 28, 2009
Average Rating: not yet rated
Severity: Medium
Description of Problem
A cross-site scripting vulnerability has been identified in specific
versions of Citrix Web Interface.
This vulnerability could potentially be used to execute malicious
client-side script in the same context as legitimate content from the web
server; if this vulnerability is used to execute script in the browser of an
authenticated user then the script may be able to gain access to the
authenticated users session or other potentially sensitive information.
This vulnerability affects Citrix Web Interface versions 4.6, 5.0 and 5.0.1
only.
What Customers Should Do
This vulnerability has been addressed in Citrix Web Interface version 5.1.0
and above. Citrix recommends that both XenApp and XenDesktop customers
upgrade their Web Interface to version 5.1.0 and above.
The latest version of Web Interface can be obtained from the Downloads
location of the Citrix website and the location below:
https://www.citrix.com/English/ss/downloads/index.asp
Acknowledgements
Citrix would like to thank Dave of Subverted.org for working with us to
protect Citrix customers.
What Citrix Is Doing
Citrix is notifying customers and channel partners about this potential
security issue. This article is also available from the Citrix Knowledge
Center at http://support.citrix.com/.
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 http://www.citrix.com/site/ss/supportContacts.asp.
Reporting Security Vulnerabilities to Citrix
Citrix welcomes input regarding the security of its products and considers
any and all potential vulnerabilities seriously. If you would like to report
a security issue to Citrix, please compose an e-mail to
secure@citrix.com stating the exact version of the product in which the
vulnerability was found and the steps needed to reproduce the vulnerability
This document applies to:
* Web Interface 4.6 for Presentation Server
* Web Interface 5.0
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