Advisory Details

May 19th, 2016

Apple OS X IOAcceleratorFamily2 Buffer Overflow Privilege Escalation Vulnerability

CVE ID	CVE-2016-1817
CVSS SCORE	6.9, AV:L/AC:M/Au:N/C:C/I:C/A:C
AFFECTED VENDORS	Apple
AFFECTED PRODUCTS	OS X
VULNERABILITY DETAILS	This vulnerability allows local attackers to execute arbitrary code on vulnerable installations of Apple OS X. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of the IOAcceleratorFamily2 interface. The issue lies in the failure to ensure that a user-supplied size is within the bounds of the allocated buffer. An attacker can leverage this to escalate their privileges and execute code 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	2016-02-04 - Vulnerability reported to vendor 2016-05-19 - Coordinated public release of advisory
CREDIT	Jack Tang and Moony Li of Trend Micro

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