/var/ is in spip 3.0.17-2+deb8u4.
This file is owned by root:root, with mode 0o755.
..
/var/lib/spip/local/
/var/lib/spip/plugins/
/var/lib/spip/sites/
/var/lib/spip/sites/default/
/var/lib/spip/sites/default/tmp/
/var/lib/spip/sites/default/local/
/var/lib/spip/sites/default/config/
/var/lib/spip/sites/default/IMG/
/var/lib/spip/sites/default/squelettes/
/var/lib/
/var/lib/spip/
/var/lib/spip/themes/
/var/lib/spip/IMG/
/var/lib/spip/ecrire
/var/lib/spip/config
/var/lib/spip/plugins-dist
/var/lib/spip/index.php
/var/lib/spip/mutualisation
/var/lib/spip/prive
/var/lib/spip/rien.gif
/var/lib/spip/spip.php
/var/lib/spip/squelettes-dist
/var/lib/spip/sites/default/config/ecran_securite.php