cis-tomcat8-v100-6.4

DevOps & Security

Ensure secure is set to true only for SSL-enabled Connectors

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6.4 Ensure secure is set to true only for SSL-enabled Connectors (Automated)

Profile Applicability

• Level 1

Description

The secure attribute is used to convey Connector security status to applications operating over the Connector. This is typically achieved by calling request.isSecure(). Ensure the secure attribute is only set to true for Connectors operating with the SSLEnabled attribute set to true.

Rationale

Accurately reporting the security state of the Connector will help ensure that applications built on Tomcat are not unknowingly relying on security controls that are not in place.

Audit Procedure

Review the server.xml and ensure the secure attribute is set to true for those Connectors having SSLEnabled set to true. Also, ensure the secure attribute is set to false for those Connectors having SSLEnabled set to false.

Remediation

For each Connector defined in server.xml, set the secure attribute to true for those Connectors having SSLEnabled set to true. Set the secure attribute to false for those Connectors having SSLEnabled set to false.

<Connector SSLEnabled="true"
  …
  secure="true"
  …
/>
…
<Connector SSLEnabled="false"
  …
  secure="false"
  …
/>

Default Value

The secure attribute is set to false.

References

http://tomcat.apache.org/tomcat-9.0-doc/ssl-howto.html

CIS Controls

Controls Version: v8

Control: 4 Secure Configuration of Enterprise Assets and Software

Establish and maintain the secure configuration of enterprise assets (end-user devices, including portable and mobile; network devices; non-computing/IoT devices; and servers) and software (operating systems and applications).

Controls Version: v7

Control: 14.4 Encrypt All Sensitive Information in Transit

Encrypt all sensitive information in transit.

Profile

Level 1