CVE-2008-3434
Apple iTunes before 10.5.1 does not properly verify the authenticity of updates, which allows man-in-the-middle attackers to execute arbitrary code via a Trojan horse update, as demonstrated by evilgrade and DNS cache poisoning.
Date published : 2008-08-01
http://lists.apple.com/archives/Security-announce/2011/Nov/msg00003.html