/usr/share/perl5/ is in libjifty-plugin-authentication-cas-perl 1.00-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/Jifty/
/usr/share/perl5/Jifty/Plugin/
/usr/share/perl5/Jifty/Plugin/Authentication/
/usr/share/perl5/Jifty/Plugin/Authentication/CAS/
/usr/share/perl5/Jifty/Plugin/Authentication/CAS/Action/
/usr/share/perl5/Jifty/Plugin/Authentication/CAS/Action/CASLogout.pm
/usr/share/perl5/Jifty/Plugin/Authentication/CAS/Action/CASLogin.pm
/usr/share/perl5/Jifty/Plugin/Authentication/CAS/Mixin/
/usr/share/perl5/Jifty/Plugin/Authentication/CAS/Mixin/Model/
/usr/share/perl5/Jifty/Plugin/Authentication/CAS/Mixin/Model/User.pm
/usr/share/perl5/Jifty/Plugin/Authentication/CAS/Dispatcher.pm
/usr/share/perl5/Jifty/Plugin/Authentication/CAS.pm
/usr/share/perl5/auto/
/usr/share/perl5/auto/share/
/usr/share/perl5/auto/share/dist/
/usr/share/perl5/auto/share/dist/Jifty-Plugin-Authentication-CAS/
/usr/share/perl5/auto/share/dist/Jifty-Plugin-Authentication-CAS/po/
/usr/share/perl5/auto/share/dist/Jifty-Plugin-Authentication-CAS/po/jifty_plugin_authentication_cas.pot