CVE-2021-42012

Trend Micro Worry-Free Business Security Stack-based Buffer Overflow Privilege Escalation Vulnerability

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Una vulnerabilidad de desbordamiento del búfer en la región stack de la memoria en Trend Micro Apex One, Apex One as a Service y Worry-Free Business Security versión 10.0 SP1, podría permitir a un atacante local escalar privilegios en las instalaciones afectadas. Nota: un atacante debe obtener primero la capacidad de ejecutar código con pocos privilegios en el sistema de destino para poder explotar esta vulnerabilidad

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.

*Credits: @Kharosx0

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-10-05 CVE Reserved
2021-10-19 CVE Published
2023-03-08 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (3)

URL	Tag	Source
https://www.zerodayinitiative.com/advisories/ZDI-21-1221	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://success.trendmicro.com/solution/000289229	2021-10-27
https://success.trendmicro.com/solution/000289230	2021-10-27

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Trendmicro Search vendor "Trendmicro"		Apex One Search vendor "Trendmicro" for product "Apex One"				2019 Search vendor "Trendmicro" for product "Apex One" and version "2019"		-		Affected
Trendmicro Search vendor "Trendmicro"		Apex One Search vendor "Trendmicro" for product "Apex One"				2019 Search vendor "Trendmicro" for product "Apex One" and version "2019"		saas		Affected
Trendmicro Search vendor "Trendmicro"		Worry-free Business Security Search vendor "Trendmicro" for product "Worry-free Business Security"				10.0 Search vendor "Trendmicro" for product "Worry-free Business Security" and version "10.0"		sp1		Affected
Trendmicro Search vendor "Trendmicro"		Worry-free Business Security Services Search vendor "Trendmicro" for product "Worry-free Business Security Services"				-		saas		Affected