Moodle Improper Link Resolution Before File Access (Link Following) Vulnerability - CVE-2008-5153
spell-check-logic.cgi in Moodle 1.8.2 allows local users to overwrite arbitrary files via a symlink attack on the (1) /tmp/spell-check-debug.log (2) /tmp/spell-check-before or (3) /tmp/spell-check-after temporary file.