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V-259096

CAT II (Medium)

The vCenter Perfcharts service xpoweredBy attribute must be disabled.

Rule ID

SV-259096r934946_rule

STIG

VMware vSphere 8.0 vCenter Appliance Perfcharts Security Technical Implementation Guide

Version

V1R1

CCIs

CCI-000381

Discussion

Individual connectors can be configured to display the Tomcat information to clients. This information can be used to identify server versions that can be useful to attackers for identifying vulnerable versions of Tomcat. Individual connectors must be checked for the xpoweredBy attribute to ensure they do not pass server information to clients. The default value for xpoweredBy is "false".

Check Content

At the command prompt, run the following command:

# xmllint --xpath "//Connector/@xpoweredBy" /usr/lib/vmware-perfcharts/tc-instance/conf/server.xml

Example result:

XPath set is empty

If the "xpoweredBy" parameter is specified and is not "false", this is a finding.

If the "xpoweredBy" parameter does not exist, this is not a finding.

Fix Text

Navigate to and open:

/usr/lib/vmware-perfcharts/tc-instance/conf/server.xml

Navigate to the <Connector> node and remove the "xpoweredBy" attribute.

Restart the service with the following command:

# vmon-cli --restart perfcharts