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Security Bulletin: Vulnerability in Apache Commons affects Tivoli Network Manager Transmission Edition (CVE-2015-7450)

Security Bulletin


An Apache Commons Collections vulnerability for handling Java object deserialization was addressed by Tivoli Network Manager Transmission Edition.

Vulnerability Details

CVEID: CVE-2015-7450
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: 9.8
CVSS Temporal Score: See for the current score
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

Tivoli Network Manager Transmission Edition 5.6


The affected file is the $NCHOME/precisiontn/platform/java/lib/3rdparty/commons-collections.jar.
[netcool@itnmte 3rdparty]$ pwd


[netcool@itnmte 3rdparty]$ cksum commons-collections.jar

1639223439 518641 commons-collections.jar

It should be noted that the Tivoli Network Manager Transmission Edition also installs other copies of the Apache Commons Collections library, but these files are not affected by this vulnerability.

The following instructions explain how to replace the affected commons-collections.jar:


1. Download the commons-collections.jar below:


2. Stop the nmtn_server process.

3. Delete or move $NCHOME/precisiontn/platform/java/lib/3rdparty/commons-collections.jar to a different directory.

4. Copy the download commons-collections.jar to $NCHOME/precisiontn/platform/java/lib/3rdparty/

5. Restart the nmtn_server process.

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.

Workarounds and Mitigations


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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.


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.

Document information

More support for: Tivoli Network Manager Transmission Edition

Software version: 5.6

Operating system(s): AIX, Linux, Solaris, Windows

Software edition: All Editions

Reference #: 1971891

Modified date: 08 December 2015