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AUSCERT External Security Bulletin Redistribution
A security vulnerability has been identified in Apache Commons and IBM
WebSphere Application Server Liberty Profile shipped with
IBM Support Assistant Team Server
24 November 2015
AusCERT Security Bulletin Summary
Product: IBM Support Assistant Team Server
Operating System: AIX
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
CVE Names: CVE-2015-7450
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Security Bulletin: A security vulnerability has been identified in Apache
Commons and IBM WebSphere Application Server Liberty Profile shipped with IBM
Support Assistant Team Server (CVE-2015-7450)
More support for:
IBM Support Assistant
5.0, 126.96.36.199, 188.8.131.52, 184.108.40.206, 220.127.116.11
AIX, Linux, Windows
IBM WebSphere Application Server Liberty Profile and Apache Commons are
shipped as components of IBM Support Assistant Team Server. The recommended
solution is to install the fix made available by IBM WebSphere Application
Server and remove the Apache Commons Collections Library bundled with IBM
Support Assistant Team Server.
DESCRIPTION: Apache Commons Collections could allow a remote attacker to
execute arbitrary code on the system, caused by the deserialization of data
with Java InvokerTransformer class. By sending specially crafted data, an
attacker could exploit this vulnerability to execute arbitrary Java code on
CVSS Base Score: 9.8
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/107918 for the current
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
IBM Support Assistant Team Server version 5.0.0, 5.0.1, 18.104.22.168, 5.0.2 and
The recommended solution is to install the fix made available by IBM WebSphere
Application Server and remove the Apache Commons Collections Library bundled
with IBM Support Assistant Team Server.
For V5.0.0 through 22.214.171.124:
If you are not at the latest version of IBM Support Assistant (V126.96.36.199), you
need to upgrade http://www-01.ibm.com/software/support/isa/teamserver.html
Remove the Apache Commons Collections v3.2.1 library under
Apply the IBM WebSphere Application Server Liberty Profile Interim Fix
Download the archive fix 8556-wlp-archive-IFPI52103.jar that applies to the
Liberty profile, fixpack 188.8.131.52.
Save the 8556-wlp-archive-IFPI52103.jar file to the <isa_install>/ISA5/
Open the console and run the command "java -jar
Press enter to accept the default directory value <isa_install>/ISA5/wlp
Once you start ISA you should see the following message on the
[AUDIT ] CWWKF0015I: The server has the following interim fixes installed:
Refer to Security Bulletin: Vulnerability in Apache Commons affects IBM
WebSphere Application Server (CVE-2015-7450) for vulnerability details and
additional information about fixes.
IBM recommends that you review your entire environment to identify vulnerable
releases of the open-source Apache Commons Collections and take appropriate
mitigation and remediation actions.
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20 November, 2015 : 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.
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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