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Certificates in the trust store must be issued/signed by an approved CA.


Overview

Finding ID Version Rule ID IA Controls Severity
V-222994 TCAT-AS-001430 SV-222994r615938_rule Medium
Description
Use of self-signed certificates creates a lack of integrity and invalidates the certificate based authentication trust model. Certificates used by production systems must be issued/signed by a trusted Root CA and cannot be self-signed. For systems that communicate with industry partners, the DoD ECA program supports the issuance of DoD-approved certificates to industry partners. For information on the DoD ECA program, refer to the DoD PKI office. Links to their site are available on https://public.cyber.mil.
STIG Date
Apache Tomcat Application Sever 9 Security Technical Implementation Guide 2020-12-11

Details

Check Text ( C-24666r426426_chk )
For the systemd Ubuntu OS, check the tomcat.service file to read the content of the JAVA_OPTS environment variable setting.

sudo cat /etc/systemd/system/tomcat.service |grep -i truststore

EXAMPLE output:
set JAVA_OPTS="-Djavax.net.ssl.trustStore=/path/to/truststore" "-Djavax.net.ssl.trustStorePassword=************"

If the variable is not set, use the default location command below. If the variable is set, use the alternate location command below and include the path and truststore file.

-Default location:
keytool -list -cacerts -v | grep -i issuer

-Alternate location:
keytool -list -keystore -v |grep -i issuer

If there are no CA certificates issued by a Certificate Authority (CA) that is part of the DoD PKI/PKE, this is a finding.
Fix Text (F-24655r426427_fix)
Obtain and install the DoD PKI CA certificate bundles by accessing the DoD PKI office website at https://cyber.mil/pki-pke.

Download the certificate bundles and then use certificate management utilities such as keytool or openssl to import the DoD CA certificates into the trust store.