NetFS Client Framework in Apple OS X before 10.10 does not ensure that the disabling of File Sharing is always possible, which allows remote attackers to read or write to files by leveraging a state in which File Sharing is permanently enabled.
https://support.apple.com/kb/HT6535
https://exchange.xforce.ibmcloud.com/vulnerabilities/97627
http://www.securitytracker.com/id/1031063
http://archives.neohapsis.com/archives/bugtraq/2014-10/0101.html