Advisory Details

November 17th, 2021

Trend Micro Antivirus for Mac Improper Access Control Privilege Escalation Vulnerability

CVE ID	CVE-2021-43771
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	Antivirus for Mac
VULNERABILITY DETAILS	This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Antivirus for Mac. 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 com.trendmicro.AFM.HelperTool. The issue results from improper access control. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root.
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-10832
DISCLOSURE TIMELINE	2021-07-15 - Vulnerability reported to vendor 2021-11-17 - Coordinated public release of advisory
CREDIT	Wojciech Regu\xc5\x82a (@_r3ggi)

BACK TO ADVISORIES