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

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:

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&lt;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.