CVE-2022-44649

Trend Micro Apex One Unauthorized Change Prevention Service Out-Of-Bounds Access Local 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

An out-of-bounds access vulnerability in the Unauthorized Change Prevention service of Trend Micro Apex One and Apex One as a Service could allow a local attacker to elevate 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 acceso fuera de los límites en el servicio de Prevención de Cambios No Autorizados de Trend Micro Apex One y Apex One as a Service podría permitir a un atacante local elevar los privilegios en las instalaciones afectadas. Tenga en cuenta: un atacante primero debe obtener 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 Apex One Security Agent. 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 Unauthorized Change Prevention Service. A crafted request can trigger a write past the end of an allocated data structure. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

*Credits: Simon Zuckerbraun - Trend Micro Zero Day Initiative

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

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-11-03 CVE Reserved
2022-11-21 CVE Published
2023-03-08 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (2)

URL	Tag	Source
https://www.zerodayinitiative.com/advisories/ZDI-22-1619	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://success.trendmicro.com/solution/000291770	2023-11-07

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"	< 14.0.11789 Search vendor "Trendmicro" for product "Apex One" and version " < 14.0.11789"	saas	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe
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	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe