Citrix Access Gateway Standard Edition: Unauthorised Access -- Remote/Unauthenticated

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2013.0342
Vulnerability in Citrix Access Gateway Standard Edition 5.0 Could Result in
                 Unauthorized Access to Network Resources
                               7 March 2013

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Citrix Access Gateway Standard Edition
Publisher:         Citrix
Operating System:  Network Appliance
Impact/Access:     Unauthorised Access -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2013-2263  

Original Bulletin: 
   http://support.citrix.com/article/CTX136623

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Vulnerability in Citrix Access Gateway Standard Edition 5.0 Could Result in 
Unauthorized Access to Network Resources

Document ID: CTX136623   /  Created On: Mar 5, 2013   /  Updated On: Mar 5, 2013

Severity: Critical

Description of Problem
A vulnerability has been identified in Citrix Access Gateway Standard Edition 
that could allow an unauthenticated user to gain access to network resources.

This vulnerability has been assigned the following CVE number:
• CVE-2013-2263

This vulnerability affects all 5.0.x versions of the Citrix Access Gateway 
Standard Edition appliance firmware earlier than 5.0.4.223524.

Citrix Access Gateway Standard Edition versions 4.5.x and 4.6.x are not affected 
by this vulnerability.

What Customers Should Do

A patch for version 5.0.4 of the Citrix Access Gateway Standard Edition firmware 
has been released to address this vulnerability. Citrix strongly recommends that 
all customers using affected versions of Citrix Access Gateway Standard Edition 
apply this patch to their appliances as soon as possible.

This patch can be found at the following location under the Appliance Firmware 
section (you will need to login with your MyCitrix ID):
http://www.citrix.com/downloads/netscaler-access-gateway/product-software/access-gateway-504.html

Acknowledgements
Citrix thanks Ben Williams, David Middlehurst and James Eaton-Lee of NCCGroup 
(http://www.nccgroup.com) 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:

Access Gateway 5.0

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