CVE-2021-46612 : Vulnerability Insights and Analysis

A vulnerability in Bentley MicroStation CONNECT 10.16.0.80 allows remote code execution with high impact.

Understanding CVE-2021-46612

This CVE involves an out-of-bounds read vulnerability in Bentley MicroStation CONNECT 10.16.0.80, potentially leading to arbitrary code execution.

What is CVE-2021-46612?

This vulnerability permits remote attackers to execute arbitrary code on affected installations by exploiting a flaw in parsing PDF files.
User interaction is necessary, requiring the target to access a malicious page or open a malicious file.

The Impact of CVE-2021-46612

CVSS Score: 7.8 (High Severity)
Attack Vector: Local
Attack Complexity: Low
User Interaction: Required
Confidentiality, Integrity, and Availability Impact: High

Technical Details of CVE-2021-46612

The following details provide insight into the technical aspects of this vulnerability.

Vulnerability Description

Attackers can trigger a read past the end of an allocated buffer via crafted data in a PDF file.
This allows code execution within the current process.

Affected Systems and Versions

Product: Bentley MicroStation CONNECT
Version: 10.16.0.80

Exploitation Mechanism

User interaction is essential, requiring visiting a malicious page or opening a malicious file.

Mitigation and Prevention

Steps to address and prevent the CVE-2021-46612 vulnerability.

Immediate Steps to Take

Update Bentley MicroStation CONNECT to a non-vulnerable version.
Exercise caution when interacting with PDF files especially from untrusted sources.

Long-Term Security Practices

Regularly update software and security patches.
Implement security training to educate users on potential threats.

Patching and Updates

Apply patches released by Bentley promptly to mitigate the vulnerability.