Advisory Details

May 19th, 2016

(Pwn2Own) Apple OS X IntelAccelerator Out-Of-Bounds Indexing Privilege Escalation Vulnerability

CVE ID	CVE-2016-1815
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 IntelAccelerator kext. The issue lies in the blit3d_submit_commands function, which fails to properly validate the bounds of a vector. An attacker can leverage this vulnerability to elevate privileges and execute code within 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/HT206567
DISCLOSURE TIMELINE	2016-03-16 - Vulnerability reported to vendor 2016-05-19 - Coordinated public release of advisory
CREDIT	Liang Chen and Qidan He of KeenLab Tencent

BACK TO ADVISORIES