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             AUSCERT External Security Bulletin Redistribution

                              ESB-2014.2200.2
           Security Bulletin: Vulnerability in SSLv3 affects IBM
                    Rational ClearCase (CVE-2014-3566)
                               20 March 2015

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

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

Product:           IBM Rational ClearCase
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   Linux variants
                   Solaris
                   Windows
Impact/Access:     Access Confidential Data -- Remote with User Interaction
                   Reduced Security         -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2014-3566  

Reference:         ASB-2014.0122

Original Bulletin: 
   http://www-01.ibm.com/support/docview.wss?uid=swg21687347

Revision History:  March    20 2015: New fix pack introduced
                   November 21 2014: Initial Release

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

Security Bulletin: Vulnerability in SSLv3 affects IBM Rational ClearCase 
(CVE-2014-3566)

Document information

More support for:

Rational ClearCase

CCRC WAN Server

Software version:

7.1.2, 7.1.2.1, 7.1.2.2, 7.1.2.3, 7.1.2.4, 7.1.2.5, 7.1.2.6, 7.1.2.7, 7.1.2.8,
7.1.2.9, 7.1.2.10, 7.1.2.11, 7.1.2.12, 7.1.2.13, 7.1.2.14, 7.1.2.15, 7.1.2.16,
8.0, 8.0.0.1, 8.0.0.2, 8.0.0.3, 8.0.0.4, 8.0.0.5, 8.0.0.6, 8.0.0.7, 8.0.0.8, 
8.0.0.9, 8.0.0.10, 8.0.0.11, 8.0.0.12, 8.0.0.13, 8.0.1, 8.0.1.1, 8.0.1.2, 
8.0.1.3, 8.0.1.4, 8.0.1.5, 8.0.1.6

Operating system(s):

AIX, HP-UX, Linux, Solaris, Windows

Reference #:

1687347

Modified date:

2015-03-18

Security Bulletin

Summary

SSLv3 contains a vulnerability that has been referred to as the Padding Oracle
On Downgraded Legacy Encryption (POODLE) attack. SSLv3 is enabled in IBM 
Rational ClearCase.

Vulnerability Details

CVE-ID: CVE-2014-3566

Description: ClearCase 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 for the 
current score

CVSS Environmental Score*: Undefined

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

Affected Products and Versions

The vulnerable components are the CCRC WAN Server / CM Server, ClearCase 
remote client, and the integrations with OSLC providers and with ClearQuest.

ClearCase version				Status

8.0.1 through 8.0.1.6				Affected

8.0 through 8.0.0.13				Affected

7.1.2 through 7.1.2.16				Affected

7.1.0.x, 7.1.1.x (all versions and fix packs)	Affected


Remediation/Fixes

CCRC WAN Server/CM Server:

On your server host, apply fixes to IBM HTTP Server to disable SSLv3.

Follow the instructions in the following bulletin:

Security Bulletin: Vulnerability in SSLv3 affects IBM HTTP Server 
(CVE-2014-3566).

If your clients connect directly to SSL-enabled ports used by the CCRC profile
of WebSphere Application Server, apply WAS fixes as described in

Security Bulletin: Vulnerability in SSLv3 affects IBM WebSphere Application 
Server (CVE-2014-3566).

Depending on your version of ClearCase, you may need extra steps to apply 
these fixes:

7.1.0.x, 7.1.1.x, and 7.1.2.x 	Document 1390803 explains how to update IBM HTTP
				Server and WebSphere Application Server for ClearCase 
				CM Servers at release 7.1.x. Consult those instructions 
				when applying the fix.

8.0.0.x, 8.0.1.x 		Apply the IBM HTTP Server and WebSphere Application 
				Server fixes directly to your CCRC WAN server host. 
				No ClearCase-specific steps are necessary.

Clients (CCRC and integration clients):

Apply a fix pack for your appropriate release of ClearCase. These fixes 
disable SSLv3 in the client.

Affected Versions	Applying the fix

8.0.1.x			Install Rational ClearCase Fix Pack 7 (8.0.1.7) for 8.0.1

8.0.0.x			Install Rational ClearCase Fix Pack 14 (8.0.0.14) for 8.0

7.1.2.x			Customers on extended support contracts should install 
7.1.1.x			Rational ClearCase Fix Pack 17 (7.1.2.17) for 7.1.2
7.1.0.x	

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. You should verify disabling SSLv3 does not cause any compatibility 
issues.

Workarounds and Mitigations

Enabling ClearCase clients to use SSLv3:

If you must use SSLv3 (not recommended due to its weaknesses), you can 
configure your clients to permit its use.

Client 				How to enable SSLv3

ClearCase remote client 	Set Java system properties in the runtime 
(CTE, rcleartool, CMAPI) 	environment. For example, to enable it in 
for 8.0.0.x, 8.0.1.x releases	the CTE stand-alone client, add these lines 
				to <ccase-home>/RemoteClient/ctexplorer.ini:
Note: 7.1.x releases of CCRC 	-vmargs
have never supported SSLv3, 	-Dcom.ibm.jsse2.disableSSLv3=false
and cannot be configured to 	-Dcom.ibm.rational.clearcase.transport.client.protocol=SSL
support SSLv3. 

Base ClearCase/ClearQuest 	Edit <ccase-home>/lib/CCCQ/config.pl to set the 
integration v2 			new configuration setting CQCC_SERVER_SSLV3 to TRUE

Other integration clients 	Set a user environment variable CCASE_ENABLE_SSLV3=1


Enabling CCRC WAN Server/CM Server to use SSLv3:

To configure your servers to allow SSLv3, follow the instructions in the WAS 
or IHS bulletins referenced above.

In addition, if your servers are configured to use a ClearCase integration 
such as CMI or UCM/CQ, you must set the environment variable in the WAS 
profile used to run the WAN server. Set the variable CCASE_ENABLE_SSLV3 to 1,
following the instructions in tech note 1254153.

Get Notified about Future Security Bulletins

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

Important note

IBM strongly suggests that all System z customers be subscribed to the System
z Security Portal to receive the latest critical System z security and 
integrity service. If you are not subscribed, see the instructions on the 
System z Security web site. Security and integrity APARs and associated fixes
will be posted to this portal. IBM suggests reviewing the CVSS scores and 
applying all security or integrity fixes as soon as possible to minimize any 
potential risk.

References

Complete CVSS Guide

On-line Calculator V2

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Change History

* 19 November 2014: Original copy published.

* 18 March 2015: Revised for new fix pack containing fixes.

*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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