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AUSCERT External Security Bulletin Redistribution
ESB-2016.0148
An Apache Commons Collections vulnerability for handling Java object
deserialization was addressed by IBM Platform Application
Center Standard Edition
21 January 2016
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Platform Application Center
Publisher: IBM
Operating System: Linux variants
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2015-4852
Reference: ESB-2015.3188
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Security Bulletin: An Apache Commons Collections vulnerability for handling
Java object deserialization was addressed by IBM Platform Application Center
Standard Edition.
Security Bulletin
Document information
More support for:
Platform Application Center
Software version:
9.1.4
Operating system(s):
Linux
Reference #:
T1023269
Modified date:
2016-01-19
Summary
An Apache Commons Collections vulnerability for handling Java object
deserialization was addressed by IBM Platform Application Center Standard
Edition.
Vulnerability Details
CVEID: CVE-2015-4852
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
the system.CVSS Base Score: 9.8CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/107918 for the current
scoreCVSS Environmental Score*: UndefinedCVSS Vector:
(CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
Platform Application Center Standard Edition Version 9.1.4, 9.1.4.1, 9.1.4.2
Remediation/Fixes
See Workarounds
Workarounds and Mitigations
Platform Application Center 9.1.4, 9.1.4.1, 9.1.4.2
Option 1: Upgrade Application Center with the fix patch 380076
1. Download IBM Platform Application Center 9.1.4.2 fix patch 380076 from IBM
fix central. Link:
http://www-933.ibm.com/support/fixcentral/swg/selectFixes?parent=Platform%2BComputing&product=ibm/Other+software/Platform+Application+Center&release=9.1.4.2&platform=All&function=all
2. Upgrade IBM Platform Application Center with this patch according to the
upgrade guide:
http://www-01.ibm.com/support/knowledgecenter/SSGSCT_9.1.4/shared_files/upgrading.dita
Option 2: Manually the Apache jar File
1. Download Apache Commons Collections 3.2.2 from
http://commons.apache.org/proper/commons-collections/download_collections.cgi
2. Extract the file commons-collections-3.2.2.jar file and copy the extracted
files to the management node.
3. Back up your existing JAR files and replace them with the Apache Commons
Collections 3.2.2 files. The existing JAR files that need to be replaced,
include:
/opt/pac/perf/1.2/lib/commons-collections-3.1.jar
/opt/pac/gui/3.0/wlp/usr/servers/platform/apps/platform.war/WEB-INF/lib/commons-collections-3.2.1.jar
/opt/pac/gui/3.0/wlp/usr/servers/platform/apps/platform.war/WEB-INF/lib/commons-collections-3.2.2.jar
If high availability is enabled, in addition to the above files, replace the
following JAR file on the all Application Center Server nodes.
4. Restart services. If high availability is enabled, run the following
commands on active management node:
# perfadmin stop all
# pmcadmin stop
# perfadmin start all
# pmcadmin start
Otherwise, if high availability is not enabled, run the following commands on
the all Application Center Server nodes.
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References
Complete CVSS v2 Guide
On-line Calculator v2
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
*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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