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             AUSCERT External Security Bulletin Redistribution

      Multiple Vulnerabilities in Citrix XenServer vSwitch Controller
                               22 March 2012


        AusCERT Security Bulletin Summary

Product:           Citrix XenServer
Publisher:         Citrix
Operating System:  Windows
Impact/Access:     Reduced Security -- Unknown/Unspecified
Resolution:        Patch/Upgrade

Original Bulletin: 

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Multiple Vulnerabilities in Citrix XenServer vSwitch Controller
Document ID: CTX132476   /  Created On: Mar 20, 2012   /   
Updated On: Mar 20, 2012

Severity: Medium

Description of Problem

A number of security vulnerabilities have been identified in the management 
web interface of Citrix XenServer vSwitch Controller. These vulnerabilities 
affect all currently supported versions of vSwitch Controller prior to version 

Mitigating Factors

Customers who have installed XenServer but have not additionally downloaded and 
installed the optional vSwitch Controller component are not affected by these 

What Customers Should Do

These vulnerabilities have been addressed in a new version of the vSwitch 
Controller virtual appliance. Citrix recommends that customers using vSwitch 
Controller upgrade their virtual appliance to version 6.0.2.

The new version of the vSwitch Controller virtual appliance can be obtained 
from the following location:



Citrix thanks Maxin Tsoy, Kirill Mosolov and Ilya Smith of Positive Research 
Center (http://www.ptsecurity.com/) for working with us to protect Citrix 

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 e-mail 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:

    XenServer 5.6
    XenServer 5.6 FP 1
    XenServer 5.6 SP 2
    XenServer 6.0

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