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AUSCERT External Security Bulletin Redistribution
ESB-2007.1041 -- [Win]
Cross-site scripting vulnerability in legacy versions of
Citrix Web Interface
31 December 2007
AusCERT Security Bulletin Summary
Product: Citrix Web Interface 2.0 and below
Operating System: Windows
Impact: Cross-site Scripting
CVE Names: CVE-2007-6477
Original Bulletin: http://support.citrix.com/article/CTX115283
Revision History: December 31 2007: Added CVE
December 20 2007: Initial Release
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Cross-site scripting vulnerability in legacy versions of Citrix Web Interface
Document ID: CTX115283
Created On: 18-Dec-2007
Updated On: 18-Dec-2007
Description of Problem
A cross-site scripting vulnerability has been identified in the on-line
help of legacy 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
The following Citrix products are affected by this vulnerability:
Citrix NFuse (all versions)
Citrix Web Interface up to and including 2.0
In order for this vulnerability to be exploited a user would have to visit
to a URL that had been constructed by an attacker. This would typically
involve either visiting a web page owned by the attacker or clicking on a
URL in an email from the attacker.
What Customers Should Do
This vulnerability has been addressed in current versions of Web Interface.
Citrix recommends that customers using affected versions of Web Interface
upgrade to the latest version. The latest version of Web Interface can be
found at the following location:
Please note that all affected product versions have already reached End of
Citrix thanks David Vaartjes of ITsec Security Services B.V 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
Base at http://support.citrix.com/.
Obtaining Support on this Issue
If you require technical assistance with this issue, please contact Citrix
Technical Support. Information for contacting Citrix Technical Support is
available at http://support.citrix.com/.
Reporting Security Vulnerabilities to Citrix
Citrix welcomes input regarding the security of its products and considers
any and all potential vulnerabilities very seriously. If you would like to
report a security issue to Citrix, please compose an e-mail to
firstname.lastname@example.org containing 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 2.0
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