LutelWall 0.97 and earlier allows local users to overwrite arbitrary files via a symlink attack on a temporary file created by a system call to wget.
firewall.lutel.pl/download/0.98/ChangeLog
lists.grok.org.uk/pipermail/full-disclosure/2005-June/034424.html
secunia.com/advisories/15647
secunia.com/advisories/15665
security.gentoo.org/glsa/glsa-200506-10.xml
securitytracker.com/id?1014112
www.securityfocus.com/bid/13863
www.zataz.net/adviso/lutelwall-05222005.txt