CVE-2006-1892
avast! 4 Linux Home Edition 1.0.5 allows local users to modify permissions of arbitrary files via a symlink attack on the /tmp/_avast4_ temporary directory.
Date published : 2006-04-20
http://www.securityfocus.com/bid/17535
http://www.securityfocus.com/archive/1/431019/100/0/threaded