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Security Bulletin: 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)

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 VRMF Remediation

IBM Cloud Application Performance Management, Base Private

IBM Cloud Application Performance Management, Advanced Private

8.1.4

The vulnerabilities can 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/docview.wss?uid=ibm10874776 

The 8.1.4.0-IBM-APM-SERVER-IF0008 or later server interim fix prevents the DNS lookups for requests to the apmui, oidc, and uviews services of the Cloud APM server.  To prevent server-side DNS lookups from occurring on requests to the Cloud APM server min and server1 services, follow the instructions in the the following Cloud APM Knowledge Center topics: 

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

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Reference

Complete CVSS v3 Guide
On-line Calculator v3

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

Originally published 1 July 2019

*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.

Document information

More support for: IBM Monitoring

Software version: 8.1.4

Operating system(s): Linux

Reference #: 0957121

Modified date: 01 July 2019