Apple OS X AppleSMC smcHandleYPCEvent Privilege Escalation Vulnerability
Vulnerability Details
This vulnerability allows local attackers to execute arbitrary code on vulnerable installations of Apple OS X. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within AppleSMC's smcHandleYPCEvent. The process does not properly validate the existence of an object prior to performing operations on it. An attacker can leverage this vulnerability to escalate privileges under the context of the kernel.
Additional Details
Apple has issued an update to correct this vulnerability. More details can be found at:
https://support.apple.com/en-us/HT201222
Disclosure Timeline
- 2016-08-23 - Vulnerability reported to vendor
- 2016-11-02 - Coordinated public release of advisory
Credit
daybreaker@Minionz
