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Trend Micro Worry-Free Business Security Incorrect Permission Assignment Privilege Escalation Vulnerability

July 30th, 2021

Vulnerability Details

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.

Additional Details

Trend Micro has issued an update to correct this vulnerability. More details can be found at:
https://success.trendmicro.com/solution/000286857

Disclosure Timeline

  • 2021-03-12 - Vulnerability reported to vendor
  • 2021-07-30 - Coordinated public release of advisory

Credit

@Kharosx0

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