Advisory Details

June 6th, 2024

Trend Micro Apex One Security Agent Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerability

ZDI-24-571
ZDI-CAN-22667

CVE ID CVE-2024-36304
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. The issue results from the lack of proper locking when performing operations on an object. 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/dcx/s/solution/000298063?language=en_US
DISCLOSURE TIMELINE
  • 2023-12-06 - Vulnerability reported to vendor
  • 2024-06-06 - Coordinated public release of advisory
  • 2024-07-01 - Advisory Updated
CREDIT Lays (@_L4ys) of TRAPA Security
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