Symantec pcAnywhere 12.5 uses weak default permissions for the "Symantec\pcAnywhere\Hosts" folder, which allows local users to gain privileges by inserting a superuser .cif (aka caller or CallerID) file into the folder, and then using a pcAnywhere client to login as a local administrator.
http://www.vupen.com/english/advisories/2006/2874
http://www.securityfocus.com/archive/1/440448/100/0/threaded
http://www.digitalbullets.org/?p=3