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             AUSCERT External Security Bulletin Redistribution

Authentication Flaw in Citrix NetScaler Application Delivery Controller and
NetScaler Gateway Could Result in Unauthorised Access to Network Resources
                              7 November 2014


        AusCERT Security Bulletin Summary

Product:           Citrix NetScaler Application Delivery Controller
                   Citrix Netscaler Gateway
Publisher:         Citrix
Operating System:  Network Appliance
                   Citrix XenServer
                   VMware ESX Server
                   Windows Server 2008 with Hyper-V
Impact/Access:     Unauthorised Access -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2014-8580  

Original Bulletin: 

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Authentication Flaw in Citrix NetScaler Application Delivery Controller and 
NetScaler Gateway Could Result in Unauthorised Access to Network Resources


Created on Oct 24, 2014

Updated on Nov 05, 2014

Security Bulletin

Description of Problem

An authentication flaw has been identified in certain configurations of Citrix
NetScaler ADC and NetScaler Gateway that could allow an authenticated user to
obtain unauthorised access to network resources for another authenticated 

This flaw affects the following versions of Citrix NetScaler ADC and NetScaler

Version 10.5.x between and

Version 10.1.x between and

Version 10.1.x Enhanced between 10.1-120.1316.e and 10.1-128.8003.e

This flaw has been assigned the following CVE number:

CVE-2014-8580: Authentication Flaw in Citrix NetScaler Application Delivery 
Controller and NetScaler Gateway Could Result in Unauthorised Access to 
Network Resources

Mitigating Factors

In default configuration configurations of Citrix NetScaler ADC and NetScaler
Gateway, the authentication flaw would not be exposed.

What Customers Should Do

This flaw has been addressed in the following versions:

Citrix NetScaler ADC and NetScaler Gateway 10.5-52.11 and later.

Citrix NetScaler ADC and NetScaler Gateway 10.1-129.11 and later.

Citrix NetScaler 10.1-129.1105.e and later.

Citrix recommends that customers that are vulnerable to this issue upgrade to
one of these versions. These upgrades can be obtained from the following 

NetScaler ADC Firmware


NetScaler ADC Virtual Appliance


NetScaler Gateway Product Software



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

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[1]


Date 			Change

November 5th 2014 	Initial publishing

1. http://support.citrix.com/article/CTX081743

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