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ESB-2016.0539 - [Win][Linux][OSX] IBM Rational Software Architect: Multiple vulnerabilities

Date: 01 March 2016
References: ASB-2016.0004  ESB-2016.0516  ESB-2016.0518  ESB-2016.0519  ESB-2016.0521  ESB-2016.0522  ESB-2016.0523  ESB-2016.0525  ESB-2016.0542  ESB-2016.0547  
ESB-2016.0550  ESB-2016.0551  ESB-2016.0556  ESB-2016.0607  ESB-2016.0643  

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2016.0539
    Security Bulletin: Multiple vulnerabilities in IBM Java SDK affects
            Rational Software Architect, Software Architect for
         WebSphere Software & Rational Software Architect RealTime
                               1 March 2016

===========================================================================

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

Product:           IBM Rational Software Architect
Publisher:         IBM
Operating System:  Linux variants
                   OS X
                   Windows
Impact/Access:     Access Privileged Data         -- Remote with User Interaction
                   Denial of Service              -- Remote/Unauthenticated      
                   Provide Misleading Information -- Remote with User Interaction
                   Access Confidential Data       -- Existing Account            
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-0475 CVE-2016-0466 CVE-2016-0448
                   CVE-2015-7575  

Reference:         ASB-2016.0004
                   ESB-2016.0525
                   ESB-2016.0523
                   ESB-2016.0522
                   ESB-2016.0521
                   ESB-2016.0519
                   ESB-2016.0518
                   ESB-2016.0516

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg21976894

- --------------------------BEGIN INCLUDED TEXT--------------------

Security Bulletin: Multiple vulnerabilities in IBM Java SDK affects Rational 
Software Architect, Software Architect for WebSphere Software & Rational 
Software Architect RealTime

Document information

More support for:

Rational Software Architect

Modeling

Software version:

8.5, 8.5.1, 8.5.5, 8.5.5.1, 8.5.5.2, 8.5.5.3, 8.5.5.4, 9.0, 9.0.0.1, 9.1, 
9.1.1, 9.1.2, 9.1.2.1

Operating system(s):

Linux, OS X, Windows

Reference #:

1976894

Modified date:

2016-02-29

Security Bulletin

Summary

There are multiple vulnerabilities in IBM SDKs Java Technology Edition, 
Versions 7 and 8 that is used by IBM Rational Software Architect, IBM Rational
Software Architect for WebSphere Software and IBM Rational Software Architect
RealTime. These issues were disclosed as part of the IBM Java SDK updates in 
Jan 2016 and includes the vulnerability commonly referred to as SLOTH.

Vulnerability Details

CVEID: CVE-2015-7575

DESCRIPTION: The TLS protocol could allow weaker than expected security caused
by a collision attack when using the MD5 hash function for signing a 
ServerKeyExchange message during a TLS handshake. An attacker could exploit 
this vulnerability using man-in-the-middle techniques to impersonate a TLS 
server and obtain credentials.

CVSS Base Score: 7.1

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/109415 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N)

CVEID: CVE-2016-0466

DESCRIPTION: An unspecified vulnerability related to the JAXP component could
allow a remote attacker to cause a denial of service.

CVSS Base Score: 5

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/109948 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVEID: CVE-2016-0475

DESCRIPTION: An unspecified vulnerability related to the Libraries component 
has partial confidentiality impact, partial integrity impact, and no 
availability impact.

CVSS Base Score: 5.8

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/109946 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:N)

CVEID: CVE-2016-0448

DESCRIPTION: An unspecified vulnerability related to the JMX component could 
allow a remote attacker to obtain sensitive information.

CVSS Base Score: 4

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/109949 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (AV:N/AC:L/Au:S/C:P/I:N/A:N)

Affected Products and Versions

Rational Software Architect, Rational Software Architect for WebSphere 
Software and Rational Software Architect RealTime: Ver 8.5 through 9.5

Remediation/Fixes

Update the IBM SDK, Java Technology Edition of the product to address this 
vulnerability:

Product

VRMF

Remediation/First Fix

Rational Software Architect (RSA)

9.5

9.0 to 9.0.0.1

9.1 to 9.1.2.1 IBM Java SDK/JRE 8 SR2 FP10 IFixes

Rational Software Architect for WebSphere Software (RSA4WS) 9.5

9.0 to 9.0.0.1

9.1 to 9.1.2.1 IBM Java SDK/JRE 8 SR2 FP10 IFixes

Rational Software Architect RealTime (RSART) 9.5

9.0 to 9.0.0.1

9.1 to 9.1.2 IBM Java SDK/JRE 8 SR2 FP10 IFixes

Rational Software Architect (RSA)

8.5 to 8.5.5.4 IBM Java SDK/JRE 7 SR9 FP30 IFixes

Rational Software Architect for WebSphere Software (RSA4WS) 8.5 to 8.5.5.4 IBM
Java SDK/JRE 7 SR9 FP30 IFixes

Rational Software Architect RealTime (RSART) 8.5 to 8.5.1 IBM Java SDK/JRE 7 
SR9 FP30 IFixes

Installation Instructions:

For instructions on installing this update using Installation Manager, review
the topic Updating Installed Product Packages in the IBM Knowledge Center.

Instructions to download and install the update from the compressed files:

Download the update files from Fix Central by following the link listed in the
download table above

Extract the compressed files in an appropriate directory.

For example, choose to extract to C:\temp\update

Start IBM Installation Manager.

On the Start page of Installation Manager, click File > Preferences, and then
click Repositories. The Repositories page opens.

On the Repositories page, click Add Repository.

In the Add repository window, browse to or enter the file path to the 
repository.config file, which is located in the directory where you extracted
the compressed files and then click OK.

For example, enter C:\temp\update\repository.config.

Click OK to close the Preference page.

Install the update as described in the the topic Updating Installed Product 
Packages in the IBM Knowledge Center for your product and version.

Workarounds and Mitigations

For CVE-2015-7575:

Users of Java 7 and later can address the issue by updating the 
/jre/lib/security/java.security file as follows (both steps are required):

 Add MD5 to the jdk.certpath.disabledAlgorithms property - e.g. 
jdk.certpath.disabledAlgorithms=MD2, RSA keySize < 1024, MD5

 Add MD5withRSA to the jdk.tls.disabledAlgorithms property - e.g. 
jdk.tls.disabledAlgorithms=SSLv3, RC4, DH keySize < 768, MD5withRSA

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

Complete CVSS v3 Guide

On-line Calculator v3

IBM Java SDK Security Bulletin

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Acknowledgement

CVE-2015-7575 was reported to IBM by Karthikeyan Bhargavan at INRIA in Paris,
France.

*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--------------------

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