Advisory Details

June 21st, 2017

Apple OS X IOCommandQueue Out-Of-Bounds Read Information Disclosure Vulnerability

CVE ID	CVE-2016-7624
CVSS SCORE	4.9, AV:L/AC:L/Au:N/C:C/I:N/A:N
AFFECTED VENDORS	Apple
AFFECTED PRODUCTS	macOS
VULNERABILITY DETAILS	This vulnerability allows local attackers to disclose sensitive information on vulnerable installations of Apple macOS. 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 IOCommandQueue. The process does not properly validate user-supplied data which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities 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/HT207423
DISCLOSURE TIMELINE	2016-09-06 - Vulnerability reported to vendor 2017-06-21 - Coordinated public release of advisory
CREDIT	Qidan He(@flanker_hqd) from KeenLab

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