ESB-2018.3414 - [Win] IBM Cognos Command Center: Create arbitrary files - Remote with user interaction 2018-11-01

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.3414
          Security Bulletin: A vulnerability in IBM Java Runtime
             affects IBM Cognos Command Center (CVE-2018-1656)
                              1 November 2018

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

Product:           IBM Cognos Command Center
Publisher:         IBM
Operating System:  Windows
Impact/Access:     Create Arbitrary Files -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1656  

Reference:         ESB-2018.3366
                   ESB-2018.3365
                   ESB-2018.3305
                   ESB-2018.3295
                   ESB-2018.3245

Original Bulletin: 
   https://www.ibm.com/support/docview.wss?uid=ibm10730311

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Security Bulletin: A vulnerability in IBM Java Runtime affects IBM Cognos
Command Center (CVE-2018-1656)

Document information
More support for: Cognos Command Center
Component: --

Software version: 10.2.4

Operating system(s): Windows

Software edition: All Editions

Reference #: 0730311

Modified date: 31 October 2018

Security Bulletin

Summary

There is a vulnerability in IBM(R) Runtime Environment Java(TM) Technology Edition,
Version 8 that is used by IBM Cognos Command Center. This issue was disclosed
as part of the IBM Java SDK updates for July 2018.

Vulnerability Details

CVEID: CVE-2018-1656
DESCRIPTION: The IBM Java Runtime Environment''s Diagnostic Tooling Framework
for Java (DTFJ) does not protect against path traversal attacks when extracting
compressed dump files.
CVSS Base Score: 7.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
144882 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N)

Affected Products and Versions

IBM Cognos Command Center 10.2.4 All Editions

Remediation/Fixes

The recommended solution is to apply the IBM JRE 8.0.5.20 to the affected
version of IBM Cognos Command Center.

The fix can be found here:


10.24-BA-CCC-Wind32-JRE-8SR5FP20


Installation instructions for applying this fix.

For Microsoft Windows servers where the Agent or the Server component is
installed please follow this procedure:

Step 1:
Download the 32 bit IBM Java JRE (file name: ibm-java-jre-80-win-i386.zip,
Size: 174.3 MB, Build: pwi3280sr5fp20-20180802_01(SR5 FP20)).

Step 2:
Stop the CccServer, CccQueue and CccAgent Microsoft Windows services.

Step 3:

Rename the <INSTALLDIR>\Common\java.8.0.0 directory to <INSTALLDIR>\Common\
java.8.0.0.orig

Step 4:
Unpack the content of the ibm-java-jre-80-win-i386.zip file to <INSTALLDIR>\
Common\java.8.0.0

Step 5:
Start the CccAgent, CccQueue and CccServer Microsoft Windows services.

Step 6:
Validate the installation by testing the connectivity to the agent using the
CCC Client.


Upgrade instructions after applying this fix.

For all IBM Cognos Command Center installations with the above fix applied:

Before upgrading your installation to a newer version please revert to the
original \java\ directory by following this procedure.


Step A:
Stop the CccServer, CccQueue and CccAgent Windows services.

Step B:
Rename the <INSTALLDIR>\Common\java directory to <INSTALLDIR>\Common\java.cve

Step c:
Rename the <INSTALLDIR>\Common\java.orig directory to <INSTALLDIR>\Common\java

Step D:
Proceed to upgrade your Cognos Command Center installation to a newer version.

Step E:
After the upgrade to the newer version is done, please reapply this fix
starting from Step 1.

You should verify applying this fix does not cause any compatibility issues.

Workarounds and Mitigations

None.

Reference

Complete CVSS v3 Guide
On-line Calculator v3

IBM Java SDK Security Bulletin (July 2018)

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

31 October 2018: Original 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.

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