Unknown vulnerability in Mac OS X 10.4.2 and earlier, when using Kerberos authentication with LDAP, allows attackers to gain access to a root Terminal window.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-2512
http://lists.apple.com/archives/security-announce/2005/Aug/msg00000.html
http://lists.apple.com/archives/security-announce/2005//Aug/msg00001.html