ESB-2019.0681 - [Win][Linux][AIX] IBM InfoSphere Information Server: Denial of service - Existing account 2019-03-05

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.0681
        IBM InfoSphere Information Server is affected by a XXE (XML
                 External Entity) Injection vulnerability
                               5 March 2019

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

Product:           IBM InfoSphere Information Server
Publisher:         IBM
Operating System:  AIX
                   Linux variants
                   Windows
Impact/Access:     Denial of Service        -- Existing Account
                   Access Confidential Data -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1845  

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=ibm10738917

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Security Bulletin: IBM InfoSphere Information Server is affected by a XXE (XML
External Entity) Injection vulnerability

Document information

More support for: InfoSphere Information Server

Software version: 11.3, 11.5, 11.7

Operating system(s): AIX, Linux, Windows

Reference #: 0738917

Modified date: 04 March 2019

Summary

An XXE (XML External Entity) Injection vulnerability was addressed by IBM
InfoSphere Information Server.

Vulnerability Details

CVEID: CVE-2018-1845
DESCRIPTION: IBM InfoSphere Information Server is vulnerable to a XML External
Entity Injection (XXE) attack when processing XML data. A remote attacker
could exploit this vulnerability to expose sensitive information or consume
memory resources.
CVSS Base Score: 7.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
150905 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L)

Affected Products and Versions

The following products, running on all supported platforms, are affected:
IBM InfoSphere Information Server: versions 11.3, 11.5, and 11.7
IBM InfoSphere Information Server on Cloud: version 11.5, and 11.7
IBM InfoSphere Information Server Business Glossary version 9.1
IBM InfoSphere Information Server Metadata Workbench 9.1

Remediation/Fixes

+--------------------+-------+-------+----------------------------------------------------+
|Product             |VRMF   |APAR   |Remediation/First Fix                               |
+--------------------+-------+-------+----------------------------------------------------+
|InfoSphere          |       |       |                                                    |
|Information Server, |11.7   |JR60159|--Contact IBM Customer Support                      |
|Information Server  |       |       |                                                    |
|on Cloud            |       |       |                                                    |
+--------------------+-------+-------+----------------------------------------------------+
|                    |       |       |--Apply IBM InfoSphere Information Server version   |
|                    |       |       |11.5.0.2                                            |
|                    |       |       |                                                    |
|                    |       |       |--Apply IBM InfoSphere Information Server 11.5      |
|InfoSphere          |       |       |Service Pack 5                                      |
|Information Server, |11.5   |JR60159|                                                    |
|Information Server  |       |       |--Apply Information Governance Catalog Security     |
|on Cloud            |       |       |patch                                               |
|                    |       |       |                                                    |
|                    |       |       |--Apply Information Server XMETA Security patch     |
|                    |       |       |                                                    |
|                    |       |       |--Apply Information Server istool Security patch    |
+--------------------+-------+-------+----------------------------------------------------+
|InfoSphere          |11.3   |JR60159|--Upgrade to a new release where the issue is       |
|Information Server  |       |       |addressed                                           |
+--------------------+-------+-------+----------------------------------------------------+
|Business Glossary,  |9.1    |JR60159|--Upgrade to a new release                          |
|Metadata Workbench  |       |       |                                                    |
+--------------------+-------+-------+----------------------------------------------------+


 

For IBM InfoSphere Information Server version 9.1, IBM recommends upgrading to
a fixed, supported version/release/platform of the product.

Contact Technical Support:
In the United States and Canada dial 1-800-IBM-SERV
View the support contacts for other countries outside of the United States.
Electronically open a Service Request with Information Server Technical
Support.

Workarounds and Mitigations

None

Change History

04 March 2019: 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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