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The vCenter STS service cookies must have secure flag set.


Overview

Finding ID Version Rule ID IA Controls Severity
V-258972 VCST-80-000005 SV-258972r960792_rule Medium
Description
The secure flag is an option that can be set by the application server when sending a new cookie to the user within an HTTP Response. The purpose of the secure flag is to prevent cookies from being observed by unauthorized parties due to the transmission of a cookie in clear text. By setting the secure flag, the browser will prevent the transmission of a cookie over an unencrypted channel.
STIG Date
VMware vSphere 8.0 vCenter Appliance Secure Token Service (STS) Security Technical Implementation Guide 2024-07-11

Details

Check Text ( C-62712r934572_chk )
At the command prompt, run the following command:

# xmllint --format /usr/lib/vmware-sso/vmware-sts/conf/web.xml | sed 's/xmlns=".*"//g' | xmllint --xpath '/web-app/session-config/cookie-config/secure' -

Expected result:

true

If the output of the command does not match the expected result, this is a finding.
Fix Text (F-62621r934573_fix)
Navigate to and open:

/usr/lib/vmware-sso/vmware-sts/conf/web.xml

Navigate to the node and configure the setting as follows:


30

true
true



Restart the service with the following command:

# vmon-cli --restart sts