CVE-2021-46612

Bentley MicroStation CONNECT PDF File Parsing Out-Of-Bounds Read Remote Code Execution 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

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley MicroStation CONNECT 10.16.0.80. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of PDF files. Crafted data in a PDF file can trigger a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-15406.

Esta vulnerabilidad permite a atacantes remotos ejecutar código arbitrario en las instalaciones afectadas de Bentley MicroStation CONNECT versión 10.16.0.80. Es requerida una interacción del usuario para explotar esta vulnerabilidad, ya que el objetivo debe visitar una página maliciosa o abrir un archivo malicioso. El fallo específico se presenta en el análisis de archivos PDF. Los datos diseñados en un archivo PDF pueden desencadenar una lectura más allá del final de un búfer asignado. Un atacante puede aprovechar esta vulnerabilidad para ejecutar código en el contexto del proceso actual. Era ZDI-CAN-15406

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley MicroStation CONNECT. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of PDF files. Crafted data in a PDF file can trigger a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

*Credits: Mat Powell of Trend Micro Zero Day Initiative

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-01-26 CVE Reserved
2022-01-31 CVE Published
2024-08-04 CVE Updated
2024-11-03 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-125: Out-of-bounds Read

CAPEC

References (2)

URL	Tag	Source
https://www.zerodayinitiative.com/advisories/ZDI-22-199	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0003	2022-02-28

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Bentley Search vendor "Bentley"		Microstation Search vendor "Bentley" for product "Microstation"				< 10.16.02 Search vendor "Bentley" for product "Microstation" and version " < 10.16.02"		-		Affected
Bentley Search vendor "Bentley"		Microstation Connect Search vendor "Bentley" for product "Microstation Connect"				<= 10.16.0.80 Search vendor "Bentley" for product "Microstation Connect" and version " <= 10.16.0.80"		-		Affected
Bentley Search vendor "Bentley"		View Search vendor "Bentley" for product "View"				< 10.16.02 Search vendor "Bentley" for product "View" and version " < 10.16.02"		-		Affected