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             AUSCERT External Security Bulletin Redistribution

                               ESB-2014.0620
           Citrix NetScaler Application Delivery Controller and
                NetScaler Gateway Multiple Security Updates
                               30 April 2014

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

Product:           Citrix NetScaler
Publisher:         Citrix
Operating System:  Network Appliance
                   Citrix XenServer
                   VMware ESX Server
                   Windows Server 2008 with Hyper-V
Impact/Access:     Reduced Security -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2014-2882 CVE-2014-2881 

Original Bulletin: 
   http://support.citrix.com/article/CTX140651

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Citrix NetScaler Application Delivery Controller and NetScaler Gateway 
Multiple Security Updates

CTX140651 / Created On Apr 28, 2014 / Updated On Apr 28, 2014

Severity: Medium

Description of Problem

A number of security vulnerabilities have been identified in the management 
component of the Citrix NetScaler Application Delivery Controller (ADC) and 
NetScaler Gateway products. These vulnerabilities have been assigned the 
following CVE numbers:

    * CVE-2014-2881: Weak implementation of Diffie-Hellman key agreement in 
    Citrix NetScaler Application Delivery Controller and NetScaler Gateway 
    management GUI Java applet.

    * CVE-2014-2882: Certificate validation vulnerability in Citrix NetScaler 
    Application Delivery Controller and NetScaler Gateway management GUI.

These vulnerabilities are present in all versions of Citrix NetScaler ADC and
NetScaler Gateway prior to 10.1-122.17 and 9.3-66.5.

What Customers Should Do

These vulnerabilities have been addressed in new versions of the Citrix 
NetScaler ADC and NetScaler Gateway appliance firmware. Citrix recommends that
customers upgrade their Citrix NetScaler ADC and NetScaler Gateway appliance 
firmware to the versions listed below.

The vulnerabilities have been addressed in the following NetScaler ADC 
appliance firmware versions:

    * 10.1-122.17 and later

    * 9.3-66.5 and later

These versions can be obtained from the following locations:

NetScaler ADC Firmware

https://www.citrix.com/downloads/netscaler-adc/firmware.html

NetScaler ADC Virtual Appliance

https://www.citrix.com/downloads/netscaler-adc/virtual-appliances.html

NetScaler Gateway Product Software

https://www.citrix.com/downloads/netscaler-gateway/product-software.html

Acknowledgements

Citrix thanks Graham Sutherland of Portcullis 
(https://www.portcullis-security.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.

Applicable Products

    Access Gateway 10

    Access Gateway 9.2 Enterprise Edition

    Access Gateway 9.3 Enterprise Edition

    NetScaler 10.1

    NetScaler 9.3.e

    NetScaler VPX 10.0

    NetScaler VPX 9.3

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