ESB-2017.3140 - [Win][Linux][AIX] IBM InfoSphere Information Server: Multiple vulnerabilities 2017-12-08

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.3140
         Security Bulletin: A vulnerability in Apache Solr affects
                     IBM InfoSphere Information Server
                              8 December 2017

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

Product:           IBM InfoSphere Information Server
Publisher:         IBM
Operating System:  AIX
                   Linux variants
                   Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
                   Access Confidential Data        -- Remote/Unauthenticated
Resolution:        Mitigation
CVE Names:         CVE-2017-12629  

Reference:         ESB-2017.3096
                   ESB-2017.2943
                   ESB-2017.2656

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22010330

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Security Bulletin: A vulnerability in Apache Solr affects IBM InfoSphere 
Information Server

Security Bulletin

Document information

More support for: InfoSphere Information Server

Software version: 11.5

Operating system(s): AIX, Linux, Windows

Reference #: 2010330

Modified date: 07 December 2017

Summary

A vulnerability in Apache Solr was addressed by IBM InfoSphere Information 
Server.

Vulnerability Details

CVEID: CVE-2017-12629

DESCRIPTION: Apache Lucene could allow a remote attacker to execute arbitrary
code on the system, caused by improper handling of XML External Entity (XXE) 
entries when parsing to RunExecutableListener class. By using a Config API 
add-listener command to reach the RunExecutableListener class, an attacker 
could exploit this vulnerability to execute arbitrary code on the system.

CVSS Base Score: 9.8

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/133524 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

The following product, running on all supported platforms, is affected:

IBM InfoSphere Information Server Data Quality Exception Console: version 11.5

IBM InfoSphere Information Analyzer: version 11.5

IBM InfoSphere Information Server on Cloud version 11.5

Remediation/Fixes

None

Workarounds and Mitigations

The following steps should be done:

a) Fix the Solr server start script:

On UNIX:

Edit /opt/IBM/InformationServer/shared-open-source/solr/start-solr.sh

In the third line from the end of the file, change

$EXEC "$ROOTDIR/solr/install/bin/solr" $SOLR_START_CMD -cloud -s 
"$ROOTDIR/solr/data/$i" -p $SCPI -z $HOSTNAME:$ZKPI

to

$EXEC "$ROOTDIR/solr/install/bin/solr" $SOLR_START_CMD -cloud -s 
"$ROOTDIR/solr/data/$i" -p $SCPI -z $HOSTNAME:$ZKPI -Ddisable.configEdit=true

On Windows:

Edit C:\IBM\InformationServer\shared-open-source\solr\start-solr.bat

In the third line from the end of the file, change

"%SOLR_ROOT_DIRECTORY%install\bin\solr.cmd" start -cloud -s 
"%SOLR_ROOT_DIRECTORY:"=%data\!NODEID!" -p !SCPI! -z %HOSTNAME%:!ZKPI! 
!FOREGROUND!

to

"%SOLR_ROOT_DIRECTORY%install\bin\solr.cmd" start -cloud -s 
"%SOLR_ROOT_DIRECTORY:"=%data\!NODEID!" -p !SCPI! -z %HOSTNAME%:!ZKPI! 
!FOREGROUND! -Ddisable.configEdit=true

b) Follow the instructions in Step 2 of Technote to restart the 
InfoSrvZookeeper, InfoSrvKafka and InfoSrvSolrCloud services.


References

Complete CVSS v3 Guide

On-line Calculator v3

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Change History

07 December 2017: 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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