Advisory Details

November 14th, 2023

Trend Micro Apex One Security Agent Link Following Local Privilege Escalation Vulnerability

ZDI-23-1611
ZDI-CAN-20220

CVE ID CVE-2023-47192
CVSS SCORE 7.8, AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Trend Micro
AFFECTED PRODUCTS Apex One
VULNERABILITY DETAILS

This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Apex One Security Agent. 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 Apex One NT RealTime Scan service. By creating a junction, an attacker can abuse the service to create arbitrary files. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.
ADDITIONAL DETAILS Trend Micro has issued an update to correct this vulnerability. More details can be found at:
https://success.trendmicro.com/solution/000295652
DISCLOSURE TIMELINE
  • 2023-04-28 - Vulnerability reported to vendor
  • 2023-11-14 - Coordinated public release of advisory
CREDIT Lays (@_L4ys) of TrapaSecurity
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