/usr/share/perl5/EBox/ is in zentyal-ca 2.3.6+quantal1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/EBox/CA/
/usr/share/perl5/EBox/CA.pm
/usr/share/perl5/EBox/CA/Certificates.pm
/usr/share/perl5/EBox/CA/DN.pm
/usr/share/perl5/EBox/CA/Model/
/usr/share/perl5/EBox/CA/Model/Certificates.pm
/usr/share/perl5/EBox/CA/Observer.pm
/usr/share/perl5/EBox/CA/TestStub.pm
/usr/share/perl5/EBox/CGI/
/usr/share/perl5/EBox/CGI/CA/
/usr/share/perl5/EBox/CGI/CA/CreateCA.pm
/usr/share/perl5/EBox/CGI/CA/DownloadFiles.pm
/usr/share/perl5/EBox/CGI/CA/Index.pm
/usr/share/perl5/EBox/CGI/CA/IssueCertificate.pm
/usr/share/perl5/EBox/CGI/CA/RenewCertificate.pm
/usr/share/perl5/EBox/CGI/CA/RevokeCertificate.pm
/usr/share/perl5/EBox/CGI/CA/ShowForm.pm