Advisory Details

May 17th, 2023

Trend Micro Apex One Security Agent Link Following Information Disclosure Vulnerability

ZDI-23-651
ZDI-CAN-16525

CVE ID CVE-2023-32556
CVSS SCORE 5.5, AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
AFFECTED VENDORS Trend Micro
AFFECTED PRODUCTS Apex One
VULNERABILITY DETAILS

This vulnerability allows local attackers to disclose sensitive information 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 NT Apex One RealTime Scan Service. By creating a mount point, an attacker can abuse the service to disclose the contents of a file. An attacker can leverage this vulnerability to disclose information 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/000293108?language=en_US
DISCLOSURE TIMELINE
  • 2022-04-13 - Vulnerability reported to vendor
  • 2023-05-17 - Coordinated public release of advisory
CREDIT Abdelhamid Naceri
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