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ESB-2014.0843 - [Win][Virtual] Citrix VDI-In-A-Box: Unauthorised access - Remote/unauthenticated

Date: 29 May 2014

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2014.0843
Vulnerability in Citrix VDI-In-A-Box could result in authentication bypass
                                29 May 2014

===========================================================================

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

Product:           Citrix VDI-In-A-Box
Publisher:         Citrix
Operating System:  VMware ESX Server
                   Citrix XenServer
                   Windows Server 2008 with Hyper-V
Impact/Access:     Unauthorised Access -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2014-3780  

Original Bulletin: 
   http://support.citrix.com/article/CTX140779

- --------------------------BEGIN INCLUDED TEXT--------------------

Vulnerability in Citrix VDI-In-A-Box could result in authentication bypass

CTX140779

Created On May 27, 2014

Updated On May 27, 2014

Security Bulletin

Severity: High

Description of Problem

A vulnerability has been identified in Citrix VDI-in-a-Box that could allow 
unauthenticated access to VDI instances.

This vulnerability is present in all versions of Citrix VDI-in-a-Box version 
5.3.x up to and including 5.3.7 and 5.4.x up to and including version 5.4.3. 
Older versions may also be affected by this vulnerability.

This vulnerability has been assigned the following CVE number:

* CVE-2014-3780: Authentication bypass vulnerability in Citrix VDI-in-a-Box
Java servlet

What Customers Should Do

This vulnerability has been addressed in Citrix VDI-in-a-Box versions 5.3.8 
and later and version 5.4.4 and later. Citrix recommends that customers 
upgrade their VDI-in-a-Box deployments to these versions. These upgrades can 
be obtained from the following location:

Citrix VDI in a Box:

Version 5.4.4: 
https://www.citrix.com/downloads/vdi-in-a-box/product-software/vdi-in-a-box-54

Version 5.3.8: 
https://www.citrix.com/downloads/vdi-in-a-box/product-software/vdi-in-a-box-53

A MyCitrix login is required to access these files.

Further information on how to apply the upgrades can be found in the following
document:

CTX140490 VDI-in-a-Box Hotfix Upgrades

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. For guidance on how to report 
security-related issues to Citrix, please see the following document: 
CTX081743 Reporting Security Issues to Citrix

Applicable Products

    VDI-in-a-Box 5.3 
    VDI-in-a-Box 5.4

- --------------------------END INCLUDED TEXT--------------------

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Previous advisories and external security bulletins can be retrieved from:

        http://www.auscert.org.au/render.html?cid=1980

===========================================================================
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).
                On call after hours for member emergencies only.
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