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AUSCERT External Security Bulletin Redistribution
ESB-2016.0676
Security Bulletin: Vulnerability in GNU C Library(glibc) affects WebSphere
DataPower XC10 Appliance(CVE-2015-7547)
14 March 2016
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AusCERT Security Bulletin Summary
---------------------------------
Product: Citrix License Server
Citrix XenMobile Server
Citrix XenMobile Device Manager
Citrix CloudBridge
Citrix NetScaler
Citrix NetScaler Gateway
Citrix Command Center
Publisher: Citrix
Operating System: Windows
Network Appliance
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2015-8277
Reference: ESB-2016.0492
ESB-2016.0439.2
ESB-2016.0422
ESB-2016.0419.2
ESB-2016.0417
ESB-2016.0406
ESB-2016.0394
ESB-2016.0387
Original Bulletin:
http://support.citrix.com/article/CTX207824
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CTX207824
Citrix Licensing Security Updates to Address CVE-2015-8277
Security Bulletin | High | Created: 10 Mar 2016 | Modified: 10 Mar 2016
Description of Problem
A vulnerability has been identified in Citrix Licensing that could allow a
remote, unauthenticated attacker to crash the License Server and potentially
execute arbitrary code on the server.
This vulnerability affects the following products:
Citrix License Server for Windows earlier than version 11.13.1.2
Citrix License Server VPX earlier than version 11.13.1.2
In addition to the above, the vulnerable component is included in some other
Citrix products. Please see the following section for more specific product
guidance. This document will be updated as our investigation continues.
Additional Affected Products
Citrix CloudBridge
We are currently investigating the potential impact of this vulnerability on
Citrix CloudBridge and this section will be updated as more information
becomes available.
Citrix NetScaler
Citrix NetScaler and NetScaler Gateway:
Citrix NetScaler and NetScaler Gateway, both MPX and VPX, are not affected by
this vulnerability. Citrix NetScaler SVM and Insight Center are currently in
the process of being investigated and this section will be updated when more
information is available.
Citrix Command Center:
Citrix Command Center is not affected by this vulnerability.
Citrix XenMobile
A vulnerable version of the Citrix License Server is installed as part of the
initial configuration of the following versions of Citrix XenMobile:
XenMobile Server 10.3.x
XenMobile Server 10.1.x
XenMobile Server 10.0.x
XenMobile Device Manager 9.0
Citrix XenMobile App Controller version 9.0.x is not affected by this
vulnerability.
Customers using Citrix XenMobile Device Manager 9.0.x should verify the the
version of Citrix Licensing installed and upgrade the local License Server for
Windows to version 11.12.1.2. or later.
Customers using Citrix XenMobile Server 10.3.x, 10.1.x and 10.0.x should note
that, due to the way the server is configured, the potential impact of this
vulnerability on the local License Server is greatly reduced. Citrix is
currently in the process of creating patches for this issue and this bulletin
will be updated when further information is available.
Citrix ByteMobile
ByteMobile Unison Traffic Manager, ByteMobile Reporting Dashboard, ByteMobile
Data Loader, and T2000 that use Flexera software are unaffected by this
vulnerability. This section will be updated when we have more information
available.
Mitigating Factors
In order to exploit this issue, an attacker would need network access to the
License Server. In most deployments, the License Server would not be exposed
to the public Internet.
What Customers Should Do
Citrix has released a new version of the License Server for Windows and the
License Server VPX that addresses this vulnerability. Citrix strongly
recommends that customers upgrade to the following versions:
Citrix License Server for Windows version 11.13.1.2 or later
Citrix License Server VPX version 11.13.1.2 or later
These new versions can be downloaded from the following location:
https://www.citrix.com/downloads/licensing.html
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
Changelog
Date Change
March 10th 2016 Initial bulletin publishing
March 10th 2016 Add XenMobile products to Applicable Products section
March 10th 2016 Add ByteMobile products to Additional Affected Products
section
Applicable Products
Citrix Licensing 11.12
Citrix Licensing 11.11
Citrix Licensing 11.10
Citrix Licensing 11.9
Citrix Licensing 11.6
Citrix Licensing 11.5
XenMobile 10.0
XenMobile 10.1
XenMobile 10.3
XenMobile 9.0
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