The System Integrity Protection feature in Apple OS X before 10.11.2 mishandles union mounts, which allows attackers to execute arbitrary code in a privileged context via a crafted app with root privileges.
Software security is not security software. Here we're concerned with topics like authentication, access control, confidentiality, cryptography, and privilege management.
Link | Tags |
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https://support.apple.com/HT205637 | vendor advisory |
http://www.securitytracker.com/id/1034344 | vdb entry |
http://lists.apple.com/archives/security-announce/2015/Dec/msg00005.html | vendor advisory |