Advisory Details

October 7th, 2022

Trend Micro Apex One Security Agent Improper Certificate Validation Local Privilege Escalation Vulnerability

CVE ID	CVE-2022-41747
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. 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 Client Plug-in Service Manager. The issue results from improper validation of a certificate. 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/000291645?language=en_US
DISCLOSURE TIMELINE	2022-06-22 - Vulnerability reported to vendor 2022-10-07 - Coordinated public release of advisory
CREDIT	Lynn and Lays (@_L4ys)

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