ESB-2017.2040 - [Win][Linux] IBM i2 Enterprise Insight Analysis and IBM i2 Analyze: Unauthorised access - Remote/unauthenticated 2017-08-17

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2040
        Security Bulletin: CVE-2017-7660: Security Vulnerability in
              secure inter-node communication in Apache Solr
                              17 August 2017

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

Product:           IBM i2 Enterprise Insight Analysis
                   IBM i2 Analyze
Publisher:         IBM
Operating System:  Linux variants
                   Windows
Impact/Access:     Unauthorised Access -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-7660  

Reference:         ESB-2017.1719

Original Bulletin: 
   http://www-01.ibm.com/support/docview.wss?uid=swg22006809

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Security Bulletin: CVE-2017-7660: Security Vulnerability in secure inter-node
communication in Apache Solr

Document information

More support for: i2 Enterprise Insight Analysis

Software version: 2.1.5

Operating system(s): Linux, Windows

Reference #: 2006809

Modified date: 14 August 2017

Security Bulletin

Summary

A potential security vulnerability has been identified for systems that are
set up to use basic authentication. The version of Solr that is included
with both IBM i2 Enterprise Insight Analysis and IBM i2 Analyze is affected,
and has been patched in the latest fix pack.

Vulnerability Details

Solr uses a PKI based mechanism to secure inter-node communication when
security is enabled. It is possible to create a specially crafted node
name that does not exist as part of the cluster and point it to a malicious
node. This can trick the nodes in the cluster to believe that the malicious
node is a member of the cluster.

If you have enabled the BasicAuth authentication mechanism using the
BasicAuthPlugin, or implemented a custom Authentication plugin that does not
implement either "HttpClientInterceptorPlugin" or "HttpClientBuilderPlugin",
your servers are vulnerable to this attack. If you use SSL without basic
authentication, or you use Kerberos, you will be unaffected.

Affected Products and Versions

Solr 5.3 to 5.5.4; Solr 6.0 to 6.5.1

Remediation/Fixes

To resolve this issue, upgrade to the latest fix pack for your deployment:

IBM i2 Enterprise Insight Analysis 2.1.5 Fix Pack 1
IBM i2 Analyze 4.1.4 Fix Pack 1

References

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

*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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