Advisory Details

October 6th, 2016

Trend Micro Maximum Security tmnciesc Kernel Driver Memory Corruption Privilege Escalation Vulnerability

ZDI-16-530
ZDI-CAN-3827

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 escalate privileges 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 0x0022205c by the tmnciesc kernel driver. The issue lies in the failure to properly validate user-supplied data which can result in a memory corruption condition. An attacker can leverage this vulnerability to execute arbitrary code under the context of kernel.

VENDOR RESPONSE 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
  • 2016-06-21 - Vulnerability reported to vendor
  • 2016-10-06 - Coordinated public release of advisory
CREDIT bee13oy of CloverSec Labs
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