4.13 Restrict access to Tomcat tomcat-users.xml

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Information

tomcat-users.xml contains authentication information for Tomcat applications. It is recommended that access to this file properly protect from unauthorized changes.

Rationale:

Restricting access to this file will prevent local users from maliciously or inadvertently altering Tomcat's security policy.

Solution

Perform the following to restrict access to tomcat-users.xml:

Set the ownership of the $CATALINA_HOME/conf/tomcat-users.xml to tomcat_admin:tomcat.

# chown tomcat_admin:tomcat $CATALINA_HOME/conf/tomcat-users.xml

Set the permissions of the $CATALINA_HOME/conf/tomcat-users.xml to 600

# chmod 600 $CATALINA_HOME/conf/tomcat-users.xml

Default Value:

The default permissions of the top-level directories are 600.

See Also

https://workbench.cisecurity.org/files/4103