Advisory Details

August 31st, 2022

Trend Micro HouseCall Incorrect Permission Assignment Privilege Escalation Vulnerability

CVE ID	CVE-2022-38764
CVSS SCORE	7.3, AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS	Trend Micro
AFFECTED PRODUCTS	HouseCall
VULNERABILITY DETAILS	This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro HouseCall. 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 product installer. The issue results from incorrect permissions set on product folders created by the installer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of an administrator.
ADDITIONAL DETAILS	Trend Micro has issued an update to correct this vulnerability. More details can be found at: https://helpcenter.trendmicro.com/en-us/article/tmka-11092
DISCLOSURE TIMELINE	2022-04-29 - Vulnerability reported to vendor 2022-08-31 - Coordinated public release of advisory
CREDIT	Xavier Danest - Decathlon

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