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             AUSCERT External Security Bulletin Redistribution

                               ESB-2015.2947
     Vulnerability in Apache Commons affects Rational DOORS Web Access
                             26 November 2015

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM Rational DOORS Web Access
Publisher:         IBM
Operating System:  Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-7450  

Reference:         ASB-2015.0108.2

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg21971030

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Security Bulletin: Vulnerability in Apache Commons affects Rational DOORS Web
Access (CVE-2015-7450)

Security Bulletin

Document information

More support for:

Rational DOORS Web Access

General Information

Software version:

1.4, 1.4.0.1, 1.4.0.2, 1.4.0.3, 1.4.0.4, 1.4.0.5, 1.5, 1.5.0.1, 9.5, 9.5.0.1,
9.5.1, 9.5.1.1, 9.5.2, 9.5.2.1, 9.6, 9.6.0.1, 9.6.1, 9.6.1.1, 9.6.1.3, 9.6.1.4

Operating system(s):

Windows

Reference #:

1971030

Modified date:

2015-11-23

Summary

An Apache Commons Collections vulnerability for handling Java object 
deserialization was addressed by the Apache Software Foundation.

Vulnerability Details

IBM Rational DOORS Web Access is affected by the following vulnerability:

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 
https://exchange.xforce.ibmcloud.com/vulnerabilities/107918 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

Rational DOORS Web Access version 9.6.1.4, 9.6.1.3, 9.6.1.2, 9.6.1.1, 9.6.1.0,
9.6.0.x, 9.5.2.x, 9.5.1.x, 9.5.0.x, 1.5.0.x, 1.4.0.x.

Remediation/Fixes

A fix for this vulnerability is available from the Apache Software Foundation:

Rational DOORS Web Access	Remediation/Fix

1.4.0.x - 9.6.1.x		commons-collections-3.2.2.jar

Replace the commons-collections-3.2.1.jar file in your Rational DOORS Web 
Access installation with the commons-collections-3.2.2.jar file.

1.Download the commons-collections-3.2.2-bin.zip file at:

http://commons.apache.org/proper/commons-collections/download_collections.cgi

Release notes are available here:

http://commons.apache.org/proper/commons-collections/release_3_2_2.html

2.Extract the commons-collections-3.2.2.jar file from the file that you 
downloaded.

3.Stop the Rational DOORS Web Access server and the broker.

4.Remove this file in your installation: <installation 
directory>\IBM\Rational\DOORS Web Access\<version 
number>\broker\lib\optional\commons-collections-3.2.1.jar

5.Copy the new commons-collections-3.2.2.jar to the same location.

6.Start the broker and the Rational DOORS Web Access server.

For information on stopping and starting components, see Starting, stopping, 
and removing Rational DOORS Web Access.

For versions for Rational DOORS Web Access that are earlier than version 
1.4.0.x, IBM recommends upgrading to a fixed, supported 
version/release/platform of the product.

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.

Get Notified about Future Security Bulletins

Subscribe to My Notifications to be notified of important product support 
alerts like this.

References

Complete CVSS v2 Guide

On-line Calculator v2

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Change History

*23 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.

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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