Security Bulletin: Vulnerability in RC4 stream cipher affects Rational Insight (CVE-2015-2808)

Summary

The RC4 “Bar Mitzvah” Attack for SSL/TLS affects Jazz Team Server and Cognos Business Intelligence (Cognos BI) shipped with Rational Insight.

Vulnerability Details

CVEID: CVE-2015-2808 DESCRIPTION: The RC4 algorithm, as used in the TLS protocol and SSL protocol, could allow a remote attacker to obtain sensitive information. An attacker could exploit this vulnerability to remotely expose account credentials without requiring an active man-in-the-middle session. Successful exploitation could allow an attacker to retrieve credit card data or other sensitive information. This vulnerability is commonly referred to as “Bar Mitzvah Attack”.
CVSS Base Score: 5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/101851 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N)

Affected Products and Versions

Principal Product and Version(s)

| Affected Supporting Product(s) and Version(s)
—|—
Rational Insight 1.1, 1.1.1, 1.1.1.1 and 1.1.1.2| Cognos BI 10.1.1
Rational Insight 1.1.1.3| Cognos BI 10.2.1
Rational Insight 1.1.1.4, 1.1.1.5 and 1.1.1.6| Cognos BI 10.2.1 Fix pack 2
Jazz Team Server 5.0, 5.0.1 and 5.0.2
Rational Insight 1.1.1.7| Cognos BI 10.2.1 Fix pack 2
Jazz Team Server 6.0

Remediation/Fixes

Apply the recommended fixes to all affected versions of Rational Insight.

Rational Insight 1.1

• Download the IBM Cognos Business Intelligence 10.1.1 Interim Fix 13 (Implemented by file 10.1.6305.506).
  Review technote 1679272: Install a Cognos Business Intelligence 10.1.1 fix package in Rational Insight 1.1 for detailed instructions.

Rational Insight 1.1.1, 1.1.1.1 and 1.1.1.2

• Download the IBM Cognos Business Intelligence 10.1.1 Interim Fix 13 (Implemented by file 10.1.6305.506).
  Read technote 1679281: Install a Cognos Business Intelligence 10.1.1 fix package in Rational Reporting for Development Intelligence 2.0.x and Rational Insight 1.1.1.x for the detailed instructions for patch application.

Rational Insight 1.1.1.3

• Download the IBM Cognos Business Intelligence 10.2.1 Interim Fix 11 (Implemented by file 10.2…5000.1156)
  Review technote 1679283: Installing Cognos Business Intelligence 10.2.1.x fix pack in Rational Reporting for Development Intelligence 2.0.x/5.0.x and Rational Insight 1.1.1.x for the detailed instructions for patch application.

Rational Insight 1.1.1.4 and 1.1.1.5 and 1.1.1.6 and 1.1.1.7

1. If the Data Collection Component or Jazz Reporting Serivce are used, perform this step first.
   Review the topics in <http://www-01.ibm.com/support/docview.wss?uid=swg21715543&gt; for addressing the listed vulnerabilities in their underlying Jazz Team Server.

2. If the Cognos-based reporting server is used, also perform this step.
   Download the IBM Cognos Business Intelligence 10.2.1.1 Interim Fix 10 (Implemented by file 10.2.5007.509)
   Review technote 1679283: Installing Cognos Business Intelligence 10.2.1.x fix pack in Rational Reporting for Development Intelligence 2.0.x/5.0.x and Rational Insight 1.1.1.x for the detailed instructions for patch application.

You should verify applying this configuration change does not cause any compatibility issues. Not disabling the RC4 stream cipher will expose yourself to the attack described above. IBM recommends that you review your entire environment to identify other areas where you have enabled the RC4 stream cipher and take appropriate mitigation and remediation actions.

Workarounds and Mitigations

Please consult the security bulletins <http://www-01.ibm.com/support/docview.wss?uid=swg21715543&gt; (Jazz Team Server) and <http://www-01.ibm.com/support/docview.wss?uid=swg21715530&gt; (Cognos BI) for vulnerability details and information about fixes.

You should verify applying this configuration change does not cause any compatibility issues. Not disabling the RC4 stream cipher will expose yourself to the attack described above. IBM recommends that you review your entire environment to identify other areas where you have enabled the RC4 stream cipher and take appropriate mitigation and remediation actions.