CVE-2021-42012: Trend Micro Worry-Free Business Security Stack-based Buffer Overflow Privilege Escalation Vulnerability
A stack-based buffer overflow vulnerability in Trend Micro Apex One, Apex One as a Service and Worry-Free Business Security 10.0 SP1 could allow a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
Other sources
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 Trend Micro Security Server Database Service. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.
Affected Software
Remediation
Patch Available
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2021-42012?
The severity of CVE-2021-42012 is high.
How can an attacker exploit CVE-2021-42012?
An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit CVE-2021-42012.
Which software is affected by CVE-2021-42012?
Trend Micro Worry-Free Business Security, Trend Micro Trend Micro Apex One and Worry-Free Business Security, Trendmicro Worry-free Business Security, and Trendmicro Worry-free Business Security Services are affected by CVE-2021-42012.
How do I fix CVE-2021-42012?
To fix CVE-2021-42012, update to the latest version of Trend Micro Worry-Free Business Security.
Where can I find more information about CVE-2021-42012?
You can find more information about CVE-2021-42012 at the following references: [Link 1](https://success.trendmicro.com/solution/000289229), [Link 2](https://success.trendmicro.com/solution/000289230), [Link 3](https://www.zerodayinitiative.com/advisories/ZDI-21-1221/)