plaiter in Plait before 1.6 allows local users to overwrite arbitrary files via a symlink attack on (1) cut.$$, (2) head.$$, (3) awk.$$, and (4) ps.$$ temporary files in /tmp/.
bugs.debian.org/cgi-bin/bugreport.cgi?bug=496381
dev.gentoo.org/~rbu/security/debiantemp/plait
secunia.com/advisories/31617
sourceforge.net/project/shownotes.php?group_id=147849&release_id=623154
www.openwall.com/lists/oss-security/2008/10/30/2
www.securityfocus.com/bid/30928
bugs.gentoo.org/show_bug.cgi?id=235770
exchange.xforce.ibmcloud.com/vulnerabilities/44786