The Apache web server must employ cryptographic mechanisms (TLS/DTLS/SSL) preventing the unauthorized disclosure of information during transmission.

From Apache Server 2.4 Windows Site Security Technical Implementation Guide

Part of SRG-APP-000439-WSR-000151

Associated with: CCI-002418

AS24-W2-000840_rule The Apache web server must employ cryptographic mechanisms (TLS/DTLS/SSL) preventing the unauthorized disclosure of information during transmission.

Vulnerability discussion

Preventing the disclosure of transmitted information requires that the web server take measures to employ some form of cryptographic mechanism to protect the information during transmission. This is usually achieved through the use of Transport Layer Security (TLS).Transmission of data can take place between the web server and a large number of devices/applications external to the web server. Examples are a web client used by a user, a backend database, an audit server, or other web servers in a web cluster.If data is transmitted unencrypted, the data then becomes vulnerable to disclosure. The disclosure may reveal user identifier/password combinations, website code revealing business logic, or other user personal information.

Check content

In a command line, navigate to "<'INSTALLED PATH'>\bin". Run "httpd -M" to view a list of installed modules. If the module "mod_ssl" is not enabled, this is a finding. Review the <'INSTALLED PATH'>\conf\httpd.conf file to determine if the "SSLProtocol" directive exists and looks like the following: SSLProtocol -ALL +TLSv1.2 If the directive does not exist and does not contain "-ALL +TLSv1.2", this is a finding.

Fix text

Ensure the "SSLProtocol" is added and looks like the following in the <'INSTALLED PATH'>\conf\httpd.conf file: SSLProtocol -ALL +TLSv1.2 Ensure the "SSLEngine" parameter is set to "ON" inside the "VirtualHost" directive.

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