Advisory Details

February 16th, 2022

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

CVE ID	CVE-2022-24679
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 NT Apex One RealTime Scan Service. By creating a DOS device redirection, an attacker can abuse the service to create 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/000290464
DISCLOSURE TIMELINE	2021-10-08 - Vulnerability reported to vendor 2022-02-16 - Coordinated public release of advisory
CREDIT	Abdelhamid Naceri

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