Advisory Details

January 18th, 2023

Trend Micro Maximum Security Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerability

CVE ID	CVE-2022-48191
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	Maximum Security
VULNERABILITY DETAILS	This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Maximum Security. 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 Damage Cleanup Engine. The issue results from the lack of proper locking when performing file operations. 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://helpcenter.trendmicro.com/en-us/article/tmka-11252
DISCLOSURE TIMELINE	2022-08-31 - Vulnerability reported to vendor 2023-01-18 - Coordinated public release of advisory
CREDIT	Simon Zuckerbraun - Trend Micro Zero Day Initiative

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