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AUSCERT External Security Bulletin Redistribution
ESB-2016.2760
Security Bulletin: Cross-Site Scripting Vulnerability in IBM Social
Rendering Templates for Digital Data Connector (CVE-2016-8936)
21 November 2016
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Social Rendering Templates for Digital Data Connector
Publisher: IBM
Operating System: AIX
HP-UX
IBM i
Linux variants
Solaris
Windows
z/OS
Impact/Access: Cross-site Scripting -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2016-8936
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg21993895
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Security Bulletin: Cross-Site Scripting Vulnerability in IBM Social Rendering
Templates for Digital Data Connector (CVE-2016-8936)
Document information
More support for: WebSphere Portal
Software version: 8.0, 8.5
Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS
Reference #: 1993895
Modified date: 18 November 2016
Security Bulletin
Summary
A fix is available for a cross-site scripting vulnerability in "IBM Social
Rendering Templates for Digital Data Connector" (CVE-2016-8936).
Vulnerability Details
CVEID: CVE-2016-8936
DESCRIPTION: IBM Social Rendering Templates for Digital Data Connector is
vulnerable to cross-site scripting. This vulnerability allows users to embed
arbitrary JavaScript code in the Web UI thus altering the intended
functionality potentially leading to credentials disclosure within a trusted
session.
CVSS Base Score: 6.1
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/118749 for the current
score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
Affected Products and Versions
IBM Social Rendering Templates for Digital Data Connector version 1.0
Remediation/Fixes
Upgrade to IBM Social Rendering Templates for Digital Data Connector version
1.0.0.0 (Update 3)
Workarounds and Mitigations
Until the updated version of "IBM Social Rendering Templates for Digital Data
Connector" is installed, you can apply a workaround using the WCM Authoring
UI.
Preparation (Required, if the "Social Lists Design" library is not listed in
the WCM Authoring UI):
Navigate to "WCM Authoring" -> "Preferences" -> "Edit shared Settings" ->
"Library Selection" -> Select the libary "Social Lists Design" -> "Add" ->
"OK"
Workaround steps:
1. Navigate to "WCM Authoring" -> "Social Lists Design" -> "Components" ->
"Fragments" -> "Bean Message Error" -> "Edit"
2. In HTML Markup find:
[Plugin:ListRenderingContext action="getExceptionMessage" compute="always"]
3. Add attribute escape="XML" to the element like this:
[Plugin:ListRenderingContext escape="XML" action="getExceptionMessage" compute="always"]
4. Save and Close
Now the workaround is applied. If you want remove the "Social Lists Design"
library again from being listed in the WCM Authoring UI, these are the steps:
Navigate to "WCM Authoring" -> "Preferences" -> "Edit shared Settings" ->
"Library Selection" -> Select the libary "Social Lists Design" -> "Remove" ->
"OK"
Get Notified about Future Security Bulletins
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Important note
IBM strongly suggests that all System z customers be subscribed to the System
z Security Portal to receive the latest critical System z security and
integrity service. If you are not subscribed, see the instructions on the
System z Security web site. Security and integrity APARs and associated fixes
will be posted to this portal. IBM suggests reviewing the CVSS scores and
applying all security or integrity fixes as soon as possible to minimize any
potential risk.
References
Complete CVSS v3 Guide
On-line Calculator v3
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
18 November 2016: Original version published
*The CVSS Environment Score is customer environment specific and will
ultimately impact the Overall CVSS Score. Customers can evaluate the impact of
this vulnerability in their environments by accessing the links in the
Reference section of this Security Bulletin.
Disclaimer
According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an "industry open standard
designed to convey vulnerability severity and help to determine urgency and
priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT
OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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