arc 5.21j and earlier create temporary files with world-readable permissions, which allows local users to read sensitive information from files created by (1) arc (arc.c) or (2) marc (marc.c).Referenceshttp://secunia.com/advisories/16805http://marc.info/?l=bugtraq&m=112689596714383&w=2http://www.zataz.net/adviso/arc-09052005.txthttp://www.debian.org/security/2005/dsa-843http://secunia.com/advisories/17068
