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Apache Tomcat Application Server 9 Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-APP-000504-AS-000229

    <GroupDescription></GroupDescription>
    Group
  • Changes to $CATALINA_BASE/conf/ folder must be logged.

    &lt;VulnDiscussion&gt;The $CATALINA_BASE/conf folder contains configuration files for the Tomcat Catalina server. To provide forensic evidence in t...
    Rule Medium Severity
  • SRG-APP-000504-AS-000229

    <GroupDescription></GroupDescription>
    Group
  • Changes to $CATALINA_HOME/lib/ folder must be logged.

    &lt;VulnDiscussion&gt;The $CATALINA_HOME/lib folder contains library files for the Tomcat Catalina server. These are in the form of java archive (j...
    Rule Medium Severity
  • SRG-APP-000514-AS-000137

    <GroupDescription></GroupDescription>
    Group
  • Application servers must use NIST-approved or NSA-approved key management technology and processes.

    &lt;VulnDiscussion&gt;Class 3 PKI certificates are used for servers and software signing rather than for identifying individuals. Class 4 certifica...
    Rule Low Severity
  • SRG-APP-000516-AS-000237

    <GroupDescription></GroupDescription>
    Group
  • STRICT_SERVLET_COMPLIANCE must be set to true.

    &lt;VulnDiscussion&gt;Strict Servlet Compliance forces Tomcat to adhere to standards specifications including but not limited to RFC2109. RFC2109 s...
    Rule Low Severity
  • SRG-APP-000516-AS-000237

    <GroupDescription></GroupDescription>
    Group
  • RECYCLE_FACADES must be set to true.

    &lt;VulnDiscussion&gt;If RECYCLE_FACADES is true or if a security manager is in use, a new facade object will be created for each request. This red...
    Rule Low Severity
  • SRG-APP-000516-AS-000237

    <GroupDescription></GroupDescription>
    Group
  • ALLOW_BACKSLASH must be set to false.

    &lt;VulnDiscussion&gt;When Tomcat is installed behind a proxy configured to only allow access to certain Tomcat contexts (web applications), an HTT...
    Rule Medium Severity
  • SRG-APP-000516-AS-000237

    <GroupDescription></GroupDescription>
    Group
  • ENFORCE_ENCODING_IN_GET_WRITER must be set to true.

    &lt;VulnDiscussion&gt;Some clients try to guess the character encoding of text media when the mandated default of ISO-8859-1 should be used. Some b...
    Rule Medium Severity
  • SRG-APP-000516-AS-000237

    <GroupDescription></GroupDescription>
    Group
  • Tomcat users in a management role must be approved by the ISSO.

    &lt;VulnDiscussion&gt;Deploying applications to Tomcat requires a Tomcat user account that is in the "manager-script" role. Any user accounts in a ...
    Rule Medium Severity
  • SRG-APP-000516-AS-000237

    <GroupDescription></GroupDescription>
    Group
  • Hosted applications must be documented in the system security plan.

    &lt;VulnDiscussion&gt;The ISSM/ISSO must be cognizant of all applications operating on the Tomcat server, and must address any security implication...
    Rule Low Severity
  • SRG-APP-000516-AS-000237

    <GroupDescription></GroupDescription>
    Group
  • Connectors must be approved by the ISSO.

    &lt;VulnDiscussion&gt;Connectors are how Tomcat receives requests over a network port, passes them to hosted web applications via HTTP or AJP and t...
    Rule Low Severity

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