Advisory Details

February 24th, 2023

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

CVE ID	CVE-2023-25146
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/000292209
DISCLOSURE TIMELINE	2022-09-30 - Vulnerability reported to vendor 2023-02-24 - Coordinated public release of advisory
CREDIT	Lynn and Lays (@_L4ys)

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