ESB-2018.3014 - [Win][UNIX/Linux] IBM Rational Team Concert: Denial of service - Remote/unauthenticated 2018-10-05

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.3014
         OpenSSL vulnerabilities affect IBM Rational Team Concert
                              5 October 2018

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        AusCERT Security Bulletin Summary
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Product:           IBM Rational Team Concert
Publisher:         IBM
Operating System:  Windows
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-0732  

Reference:         ESB-2018.2960
                   ESB-2018.2951
                   ESB-2018.2794
                   ESB-2018.2690.2

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=ibm10734065

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Security Bulletin: OpenSSL vulnerabilities affect IBM Rational Team Concert

Security Bulletin

Document information

More support for: Rational Team Concert

Software version: 5.0.x, 6.0, 6.0.1, 6.0.2, 6.0.3, 6.0.4, 6.0.5, 6.0.6

Operating system(s): Platform Independent

Reference #: 0734065

Modified date: 04 October 2018

Summary

OpenSSL vulnerabilities were disclosed by the OpenSSL Project. OpenSSL is used
by Rational BuildForge Agent shipped with IBM Rational Team Concert. Rational
BuildForge has addressed the applicable CVEs.

Vulnerability Details

CVEID: CVE-2018-0732
DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by the
sending of a very large prime value to the client by a malicious server during
key agreement in a TLS handshake. By spending an unreasonably long period of
time generating a key for this prime, a remote attacker could exploit this
vulnerability to cause the client to hang.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
144658 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

Rational Collaborative Lifecycle Management 5.0 - 6.0.6

Rational Team Concert 5.0 - 5.0.2
Rational Team Concert 6.0 - 6.0.6

Remediation/Fixes

Follow the steps on Security Bulletin: Multiple vulnerabilities in Apache
Tomcat, Open SSL, and Apache HTTPD affects Rational Build Forge  to get the
fixed version of Rational Build Forge Agent.

Workarounds and Mitigations

None

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.

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

04 October 2018: Initial 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.


                          Cross reference information
       Product         Component  Platform            Version           Edition
Rational Collaborative           Platform    5.0.x, 6.0, 6.0.1, 6.0.2,
 Lifecycle Management            Independent 6.0.3, 6.0.4, 6.0.5, 6.0.6

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