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Security Bulletin: Vulnerability in RC4 stream cipher affects IBM FileNet Content Manager, IBM FileNet BPM and IBM Content Foundation products (CVE-2015-2808)

Security Bulletin


Summary

The RC4 “Bar Mitzvah” Attack affects products that use the SSL/TLS protocol as a means for secure communication. The IBM FileNet Content Manager, IBM FileNet BPM and IBM Content Foundation products can be configured to use the SSL/TLS protocol and are thus potentially affected by this attack. If using the SSL/TLS protocol with these products, please refer to the sections below to remediate this security vulnerability.

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

IBM FileNet Content Manager 5.1.0, 5.2.0, 5.2.1
IBM Content Foundation 5.2.0, 5.2.1
IBM FileNet Business Process Manager 4.5.1, 5.0.0, 5.2.0

Remediation/Fixes

The RC4 “Bar Mitzvah” Attack can be remediated by upgrading to Java Runtime Environment (JRE) v1.6.0 SR16 FP3 + IV70681 + IV71888 or higher, which is provided in the following releases in the table below.

ProductVRMFAPARRemediation/First Fix Available
FileNet Content Manager5.1.0
5.2.0
5.2.1		PJ43167
PJ43169
PJ43169
PJ43172
PJ43172		5.1.0.0-P8CSS-IF012 - 4/27/2015
5.2.0.2-P8CSS-IF004 - 4/27/2015
5.2.1.0-P8CSS-IF002 - 4/27/2015
5.2.0.3-P8CPE-IF007 - 8/4/2015
5.2.1.2-P8CPE-IF001 - 8/4/2015
IBM Content Foundation (ICF)5.2.0
5.2.1		PJ43169
PJ43169
PJ43172
PJ43172		5.2.0.2-P8CSS-IF004 - 4/27/2015
5.2.1.0-P8CSS-IF002 - 4/27/2015
5.2.0.3-P8CPE-IF007 - 8/4/2015
5.2.1.2-P8CPE-IF001 - 8/4/2015
FileNet Business Process Manager4.5.1
5.0.0
5.2.0		PJ43170
PJ43171
PJ43174		4.5.1.4-P8PE-IF008 - 8/4/2015
5.0.0.8-P8PE-IF002 - 8/4/2015
eProcess-5.2.0-001.006 (Win, Sol, AIX, HP, HPUX only) - 8/4/2015

These releases are available on Fix Central: http://www.ibm.com/support/fixcentral/

IBM recommends that you review your entire environment to identify other areas where you have enabled the RC4 stream cipher (associated with the SSL/TLS protocols) and take appropriate mitigation and remediation actions.

Workarounds and Mitigations

You should verify that applying the configuration changes recommended below does not cause any compatibility issues.

Mitigation is to disable RC4:

  • Web application administrators should disable RC4 in their application's TLS configuration on the application server.
  • Web users are encouraged to disable RC4 in their browser's TLS configuration.


Case Foundation 5.2.1 / CPE 5.2.1
or
Case Foundation 5.2.0 / CPE 5.2.0
    If using the legacy Component Manager you should do either of the following:
    • Configure the legacy Component Manager so that it is invoked with the -Dcom.ibm.jsse2.JSSEFIPS=true option on the java command line for your legacy component. This is done with the Process Task Manager on the server where the legacy Component Manager is running.
    or
    • Obtain a Java Runtime Environment (JRE) that includes the fix for the "Bar Mitzvah" issue (if one is available) and ensure that any legacy Component Managers are using that JRE.

    On the Content Platform Engine (CPE) Server, the Java Runtime Environment (JRE) is not supplied by the FileNet Content Manager, IBM Content Foundation or FileNet BPM software. The mitigation on the CPE Server side comes from the supplier of your JRE or from the application server being used to host the CPE Server software.

    For Java based Content Engine system tools (such as FileNet Deployment Manager (FDM) and Content Engine Bulk Import Tool (CEBIT)), you should do either of the following:
    • Configure each tool so that it is invoked with the -Dcom.ibm.jsse2.JSSEFIPS=true option on the java command line that initiates the tool.
    or
    • Obtain a Java Runtime Environment (JRE) that includes the fix for the "Bar Mitzvah" issue (if one is available) and ensure that any Java based Content Engine system tool is using that JRE.

    On the Content Platform Engine Client side, the Java Runtime Environment (JRE) is not supplied by the FileNet Content Manager, IBM Content Foundation or FileNet BPM software. The mitigation on the CPE Client side comes from the supplier of your JRE or from the application server being used to host the Content or Case Foundation applications.

Process Engine 5.0 (PE 5.0)
    On the PE Server, configure the PE software so that it is invoked with the -Dcom.ibm.jsse2.JSSEFIPS=true option on the java command line.
    For example:
    1. Stop the PE Server software
    2. Edit the .../IBM/FileNet/ProcessEngine/startpesvr.bat file (on Windows servers) or the startpesvr script (on Unix or Linux servers) and add -Dcom.ibm.jsse2.JSSEFIPS=true so that the java command in the batch/script file begins like this:
      "%JAVA_HOME%\bin\java" -Dcom.ibm.jsse2.JSSEFIPS=true -Djpeserver.useHTTPTunneling=false ...
    3. Start the PE Server software
    For the Component Manager, you should do either of the following:
    • Configure the Component Manager so that it is invoked with the -Dcom.ibm.jsse2.JSSEFIPS=true option on the java command line for running the component. This is done with the Process Task Manager on the server where the Component Manger is running.
    or
    • Obtain a Java Runtime Environment (JRE) that includes the fix for the "Bar Mitzvah" issue (if one is available) and ensure that any Component Managers are using that JRE.

    On the Process Engine Client side, the Java Runtime Environment (JRE) is not supplied by the FileNet BPM software. The mitigation on the PE Client side comes from the supplier of your JRE used to run your PE applications.


Process Engine 4.5.1 (PE 4.5.1)
    For the Component Manager, you should do either of the following:
    • Configure the Component Manager so that it is invoked with the -Dcom.ibm.jsse2.JSSEFIPS=true option on the java command line for running the component. This is done with the Process Task Manager on the server where the Component Manger is running.
    or
    • Obtain a Java Runtime Environment (JRE) that includes the fix for the "Bar Mitzvah" issue (if one is available) and ensure that any Component Managers are using that JRE.

    On the Process Engine Client side, the Java Runtime Environment (JRE) is not supplied by the FileNet BPM software. The mitigation on the PE Client side comes from the supplier of your JRE used to run your PE applications.


eProcess 5.2.0
    For the Component Manager, you should do either of the following:
    • Configure the Component Manager so that it is invoked with the -Dcom.ibm.jsse2.JSSEFIPS=true option on the java command line for running the component. This is done with the Process Task Manager on the server where the Component Manger is running.
    or
    • Obtain a Java Runtime Environment (JRE) that includes the fix for the "Bar Mitzvah" issue (if one is available) and ensure that any Component Managers are using that JRE.

    On the eProcess Client side, the Java Runtime Environment (JRE) is not supplied by the FileNet BPM software. The mitigation on the eProcess Client side comes from the supplier of your JRE used to run your eProcess applications.


Content Federation Services
    For Content Federation Services installation:
    Content Federation Services (CFS) uses the Content Engine/Content Platform Engine (CE/CPE) Client Download API during installation. You should do all of the following for 5.2.0.2-CFS-FP002 and prior:
    1. Make sure the "Bar Mitzvah" issue is addressed on the CPE server before launching the Content Federation Services (CFS) installer.
    2. Get a Java Runtime Environment (JRE) that includes a fix for the Bar Mitzvah issue (if one is available) and launch the CFS installer program with this JRE.

      The command syntax is:

      <Executable file name for CFS installer> LAX_VM <Java executable>

      For example:
      (Windows)
      5.1.0-CFS-WIN.EXE LAX_VM
      C:\Program Files (x86)\Java\NEW_JRE\bin\java.exe

      (UNIX)
      ./5.1.0-CFS-<PLATFORM>.BIN LAX_VM /opt/NEW_JRE/jre/bin/java

    For Content Federation Services Federation Administration application:
    At the application server where Content Federated Services Federation Administration is deployed, apply the mitigations from the application server provider.

Content Engine tools 5.0.0, 5.1.0, 5.2.0, 5.2.1
    For Java based Content Engine system tools (such as FileNet Deployment Manager (FDM) and Content Engine Bulk Import Tool (CEBIT)), you should do either of the following:
    • Configure each tool so that it is invoked with the -Dcom.ibm.jsse2.JSSEFIPS=true option on the java command line that initiates the tool.
    or
    • Obtain a Java Runtime Environment (JRE) that includes the fix for the "Bar Mitzvah" issue (if one is available) and ensure that any Java based Content Engine system tool is using that JRE.


Content Engine Client Download API
    At the application server where Content Engine Client Downloader API is deployed, apply the mitigations from the application server provider.

    For httpsURLConnection, set the https.cipherSuites system property to not include the RC4 cipher suites.


Application Server Notes

How to disable RC4 for WebSphere:
http://www.ibm.com/support/docview.wss?uid=swg21701503

How to disable RC4 for JBoss:
Contact your provider for the instructions on how to disable RC4.

How to disable RC4 for WebLogic:
Contact your provider for the instructions on how to disable RC4.

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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 v2 Guide
On-line Calculator v2

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

None

Change History

16 April 2015: Original Version Published
27 April 2015: Content Search Services interim fixes released

*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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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Document Information

Modified date:
14 July 2021

UID

swg21701597

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