zarafa-autorespond in Zarafa Collaboration Platform (ZCP) before 7.2.1 allows local users to gain privileges via a symlink attack on /tmp/zarafa-vacation-*.
provider/server/ECServer.cpp in Zarafa Collaboration Platform (ZCP) before 7.1.13 and 7.2.x before 7.2.1 allows local users to write to arbitrary files via a symlink attack on /tmp/zarafa-upgrade-lock.