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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References

Complete CVSS v3 Guide
On-line Calculator v3

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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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Tips

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)