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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.2452
  IBM Application Performance Management could allow a remote attacker to
       induce the application to perform server-side DNS lookups of
                  arbitrary domain names (CVE-2019-4131)
                                4 July 2019

===========================================================================

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

Product:           IBM Monitoring
Publisher:         IBM
Operating System:  Linux variants
Impact/Access:     Reduced Security -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-4131  

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=ibm10957121

- --------------------------BEGIN INCLUDED TEXT--------------------

IBM Application Performance Management could allow a remote attacker to induce
the application to perform server-side DNS lookups of arbitrary domain names
(CVE-2019-4131)

Product:             IBM Monitoring
Software version:    8.1.4
Operating system(s): Linux
Reference #:         0957121

Security Bulletin

Summary

IBM Application Performance Management could allow a remote attacker to induce
the application to perform server-side DNS lookups of arbitrary domain names.

Vulnerability Details

CVEID: CVE-2019-4131
DESCRIPTION: IBM Application Performance Management could allow a remote
attacker to induce the application to perform server-side DNS lookups of
arbitrary domain names.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
158270 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

IBM Cloud Application Performance Management, Base Private 8.1.4
IBM Cloud Application Performance Management, Advanced Private 8.1.4

Remediation/Fixes

+----------------+-------+----------------------------------------------------+
|    Product     |Product|                    Remediation                     |
|                | VRMF  |                                                    |
+----------------+-------+----------------------------------------------------+
|                |       |The vulnerabilitiescan be remediated by applying the|
|                |       |following 8.1.4.0-IBM-APM-SERVER-IF0008 or later    |
|                |       |server patch to the system where the Cloud APM      |
|                |       |server is installed: https://www.ibm.com/support/   |
|IBM Cloud       |       |docview.wssuid=ibm10874776                         |
|Application     |       |                                                    |
|Performance     |       |The 8.1.4.0-IBM-APM-SERVER-IF0008 or later server   |
|Management, Base|       |interim fix prevents the DNS lookups for requests to|
|Private         |       |the apmui, oidc, and uviews services of the Cloud   |
|                |8.1.4  |APM server. To prevent server-side DNS lookups from |
|IBM Cloud       |       |occurring on requests to the Cloud APM server min   |
|Application     |       |and server1 services, follow the instructions in the|
|Performance     |       |the following Cloud APM Knowledge Center topics:    |
|Management,     |       |                                                    |
|Advanced Private|       |https://www.ibm.com/support/knowledgecenter/        |
|                |       |SSHLNR_8.1.4/com.ibm.pm.doc/install/                |
|                |       |config_server_virtualhosts.htm                      |
|                |       |https://www.ibm.com/support/knowledgecenter/        |
|                |       |SSHLNR_8.1.4/com.ibm.pm.doc/install/                |
|                |       |admin_server_virtualhosts.htm                       |
+----------------+-------+----------------------------------------------------+

Workarounds and Mitigations

None

Change History

Originally published 1 July 2019

- --------------------------END INCLUDED TEXT--------------------

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