Advisory Details

January 10th, 2024

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

ZDI-24-028
ZDI-CAN-21896

CVE ID CVE-2023-52094
CVSS SCORE 7.0, AV:L/AC:H/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 product update mechanism. By creating a junction, an attacker can abuse the updater to delete a folder. 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/000296151
DISCLOSURE TIMELINE
  • 2023-08-17 - Vulnerability reported to vendor
  • 2024-01-10 - Coordinated public release of advisory
  • 2024-07-01 - Advisory Updated
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