Rewterz Threat Advisory –Multiple Trend Micro Security Vulnerabilities

Severity

High

Analysis Summary

CVE-2021-32464

This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Worry-Free Business 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 Worry-Free Business Services Agent. The issue results from incorrect permissions set on a resource used by the service. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

CVE-2021-32465

This vulnerability allows remote attackers to bypass authentication on affected installations of Trend Micro Apex One. Authentication as a low-privileged Windows domain user is required to exploit this vulnerability. The specific flaw exists within the product patching functionality. When applying a patch to the product, the permissions on some files are not properly preserved. An attacker can leverage this vulnerability to bypass authentication on the system.

Impact

• Bypass Security
• Privilege Escalation

Affected Vendors

Trend Micro

Affected Products

• Trend Micro Apex One
• Trend Micro Worry-Free Business Security

Remediation

Trend Micro has issued an update to correct this vulnerability. More details can be found at:

https://success.trendmicro.com/solution/000286857

https://success.trendmicro.com/solution/000287819