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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2015.2947 Vulnerability in Apache Commons affects Rational DOORS Web Access 26 November 2015 =========================================================================== 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 - --------------------------BEGIN INCLUDED TEXT-------------------- 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. - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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