Advisory Details

October 6th, 2016

Trend Micro Maximum Security tmnciesc driver Untrusted Pointer Dereference Privilege Escalation Vulnerability

CVE ID
CVSS SCORE	6.9, AV:L/AC:M/Au:N/C:C/I:C/A:C
AFFECTED VENDORS	Trend Micro
AFFECTED PRODUCTS	Maximum Security
VULNERABILITY DETAILS	This vulnerability allows local attackers to execute arbitrary code on vulnerable installations of Trend Micro Maximum Security. 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 the processing of IOCTL 0x00222813 by the tmnciesc device driver. The issue lies in the failure to validate a user-supplied value prior to dereferencing it as a pointer. An attacker can leverage this vulnerability to execute arbitrary code under the context of the kernel.
ADDITIONAL DETAILS	Trend Micro has issued an update to correct this vulnerability. More details can be found at: https://esupport.trendmicro.com/en-us/home/pages/technical-support/1115282.aspx
DISCLOSURE TIMELINE	2016-07-12 - Vulnerability reported to vendor 2016-10-06 - Coordinated public release of advisory
CREDIT	Jaanus Kp Clarified Security

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