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             AUSCERT External Security Bulletin Redistribution

                               ESB-2014.1945
        Security Bulletin: Vulnerability in SSLv3 affects Rational
                     DOORS Web Access (CVE-2014-3566)
                              24 October 2014

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

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

Product:           IBM Rational DOORS Web Access
Publisher:         IBM
Operating System:  Linux variants
                   Solaris
                   Windows
Impact/Access:     Access Confidential Data -- Remote with User Interaction
                   Reduced Security         -- Remote with User Interaction
Resolution:        Mitigation
CVE Names:         CVE-2014-3566  

Reference:         ASB-2014.0122
                   ESB-2014.1929
                   ESB-2014.1922
                   ESB-2014.1921
                   ESB-2014.1918
                   ESB-2014.1897
                   ESB-2014.1858

Original Bulletin: 
   http://www-01.ibm.com/support/docview.wss?uid=swg21687615

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

Security Bulletin: Vulnerability in SSLv3 affects Rational DOORS Web Access 
(CVE-2014-3566)

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

Operating system(s):
Linux, Solaris, Windows

Reference #:
1687615

Modified date:
2014-10-21

Summary

SSLv3 contains a vulnerability that has been referred to as the Padding 
Oracle On Downgraded Legacy Encryption (POODLE) attack. SSLv3 can be enabled 
in IBM Rational DOORS Web Access.

Vulnerability Details

CVE ID: CVE-2014-3566

Description: Product could allow a remote attacker to obtain sensitive 
information, caused by a design error when using the SSLv3 protocol. A remote 
user with the ability to conduct a man-in-the-middle attack could exploit 
this vulnerability via a POODLE (Padding Oracle On Downgraded Legacy 
Encryption) attack to decrypt SSL sessions and access the plaintext of 
encrypted connections.

CVSS Base Score: 4.3
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/97013 
CVSS Environmental Score*: Undefined
CVSS Vector:   (AV:N/AC:M/Au:N/C:P/I:N/A:N)

Affected Products and Versions

Rational DOORS Web Access version 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
None

Workarounds and Mitigations

IBM recommends that you review your entire environment to identify areas that 
enable the SSLv3 protocol and take appropriate mitigation and remediation 
actions. The most immediate mitigation action that can be taken is disabling 
SSLv3.

To avoid this vulnerability, configure the Apache Tomcat server.xml file in 
your Rational DOORS Web Access installation to disable SSLv3 and instead use 
TLS v1, v1.1, or v1.2.

Procedure:

1. To access the configuration files for Rational DOORS Web Access for SSL or 
TLS, review the help topic Configuring Rational DOORS Web Access to use SSL 
or TLS for more details.

2. In the SSL JSSE HTTP Connector section of the server.xml file, set the 
following values.

    For Rational DOORS Web Access versions 9.5.2.x, 9.5.1.x, 9.5.0.x, 
    1.5.0.x, 1.4.0.x (prior to Tomcat 6.0.39):
    <Connector port="8443" protocol="HTTP/1.1"
       maxThreads="150" clientAuth="false"
       SSLEnabled="true" scheme="https" secure="true"
       sslProtocol="TLS" protocols="TLSv1.2,TLSv1.1,TLSv1"/>

    For Rational DOORS Web Access versions 9.6.0.x (Tomcat 6.0.39 and later):
    <Connector port="8443" protocol="HTTP/1.1"
       maxThreads="150" clientAuth="false"
       SSLEnabled="true" scheme="https" secure="true"
       sslProtocol="TLS" sslEnabledProtocols="TLSv1.2,TLSv1.1,TLSv1"/>

3. If you are using APR, use the following values:

    <Connector...
       maxThreads="200"
       enableLookups="true" disableUploadTimeout="true"
       acceptCount="100" scheme="https" secure="true"
       SSLEnabled="true"
       SSLProtocol="TLSv1"
       SSLCertificateFile="${catalina.base}/conf/localhost.crt"            
       SSLCertificateKeyFile="${catalina.base}/conf/localhost.key" />

4. Save and close the server.xml file.

5. Restart the Rational DOORS Web Access server.


You can test the SSL/TLS version configuration in Tomcat by running the 
following commands in openssl:
openssl s_client -connect testhost : port  -ssl3

   Fails if SSLv3 is disabled.

openssl s_client -connect testhost : port  -tls1

   Returns a certificate if TLSv1 is enabled.

openssl s_client -connect testhost : port  -tls1_1

   Returns a certificate if TLSv1.1 is enabled.

openssl s_client -connect testhost : port  -tls1_2

   Returns a certificate if TLSv1.2 is enabled.

References
Complete CVSS Guide
On-line Calculator V2

Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement
None

Change History

* 21 October 2014: Original copy 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.

Cross reference information 
Segment       Product    Component     Platform          Version                                         Edition
Software      Rational   General       Linux, Solaris,   1.4.0.4, 1.4.0.5, 1.5, 1.5.0.1, 9.5, 9.5.0.1,   Web
Development   DOORS      Information   Windows           9.5.1, 9.5.1.1, 9.5.2, 9.5.2.1, 9.6, 9.6.0.1    Access

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