The CFUserNotificationSendRequest function in UserNotificationCenter.app in Apple Mac OS X 10.4.8, when used in combination with diskutil, allows local users to gain privileges via a malicious InputManager in Library/InputManagers in a user's home directory, which is executed when Cocoa applications attempt to notify the user.
https://exchange.xforce.ibmcloud.com/vulnerabilities/31676
http://www.vupen.com/english/advisories/2007/0074
http://www.us-cert.gov/cas/techalerts/TA07-047A.html
http://www.securityfocus.com/bid/22188
http://www.kb.cert.org/vuls/id/315856
http://securitytracker.com/id?1017542
http://secunia.com/advisories/24198
http://secunia.com/advisories/23846
http://lists.apple.com/archives/Security-announce/2007/Feb/msg00000.html