The vCenter VAMI service must implement HTTP Strict Transport Security (HSTS).

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-259157	VCLD-80-000099	SV-259157r935375_rule		Medium

Description
HSTS instructs web browsers to only use secure connections for all future requests when communicating with a website. Doing so helps prevent SSL protocol attacks, SSL stripping, cookie hijacking, and other attempts to circumvent SSL protection.

STIG	Date
VMware vSphere 8.0 vCenter Appliance Management Interface (VAMI) Security Technical Implementation Guide	2023-10-29

Details

Check Text ( C-62897r935373_chk )
At the command prompt, run the following command: # /opt/vmware/sbin/vami-lighttpd -p -f /opt/vmware/etc/lighttpd/lighttpd.conf 2>/dev/null\|awk '/setenv\.add-response-header/,/\)/'\|sed -e 's/^[ ]*//'\|grep "Strict-Transport-Security" Expected result: "Strict-Transport-Security" => "max-age=31536000; includeSubDomains; preload", If the output does not match the expected result, this is a finding. Note: The command must be run from a bash shell and not from a shell generated by the "appliance shell". Use the "chsh" command to change the shell for the account to "/bin/bash". Refer to KB Article 2100508 for more details: https://kb.vmware.com/s/article/2100508

Check Text ( C-62897r935373_chk )

At the command prompt, run the following command:

# /opt/vmware/sbin/vami-lighttpd -p -f /opt/vmware/etc/lighttpd/lighttpd.conf 2>/dev/null|awk '/setenv\.add-response-header/,/\)/'|sed -e 's/^[ ]*//'|grep "Strict-Transport-Security"

Expected result:

"Strict-Transport-Security" => "max-age=31536000; includeSubDomains; preload",

If the output does not match the expected result, this is a finding.

Note: The command must be run from a bash shell and not from a shell generated by the "appliance shell". Use the "chsh" command to change the shell for the account to "/bin/bash". Refer to KB Article 2100508 for more details:

https://kb.vmware.com/s/article/2100508

Fix Text (F-62806r935374_fix)
Navigate to and open: /etc/applmgmt/appliance/lighttpd.conf Locate the "setenv.add-response-header" parameter and add or update the following value: "Strict-Transport-Security" => "max-age=31536000; includeSubDomains; preload", Note: The last line in the parameter does not need a trailing comma. Restart the service with the following command: # vmon-cli --restart applmgmt