CVE-2009-2808
Help Viewer in Apple Mac OS X before 10.6.2 does not use an HTTPS connection to retrieve Apple Help content from a web site, which allows man-in-the-middle attackers to send a crafted help:runscript link, and thereby execute arbitrary code, via a spoofed response.
Date published : 2009-11-10
http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html