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← Back to VMware vSphere 7.0 vCenter Appliance UI Security Technical Implementation Guide

V-256803

CAT II (Medium)

vSphere UI must not enable support for TRACE requests.

Rule ID

SV-256803r889408_rule

STIG

VMware vSphere 7.0 vCenter Appliance UI Security Technical Implementation Guide

Version

V1R2

CCIs

CCI-001312

Discussion

"TRACE" is a technique for a user to request internal information about Tomcat. This is useful during product development but should not be enabled in production. Allowing an attacker to conduct a TRACE operation against the web service will expose information that would be useful to perform a more targeted attack. vSphere UI provides the "allowTrace" parameter as means to disable responding to TRACE requests.

Check Content

At the command prompt, run the following command: 
 
# grep allowTrace /usr/lib/vmware-vsphere-ui/server/conf/server.xml 
 
If "allowTrace" is set to "true", this is a finding. 
 
If no line is returned, this is not a finding.

Fix Text

Navigate to and open: 
 
/usr/lib/vmware-vsphere-ui/server/conf/server.xml 
 
Navigate to and locate 'allowTrace="true"'. 
 
Remove the 'allowTrace="true"' setting. 
 
Restart the service with the following command: 
 
# vmon-cli --restart vsphere-ui