CVE-2021-46638 : Security Advisory and Response

A vulnerability in Bentley MicroStation CONNECT 10.16.0.80 could allow remote attackers to execute arbitrary code, posing a high risk.

Understanding CVE-2021-46638

This CVE discloses a security flaw in Bentley MicroStation CONNECT version 10.16.0.80.

What is CVE-2021-46638?

The vulnerability permits remote attackers to run arbitrary code on affected systems by exploiting a flaw in DGN files parsing.

The Impact of CVE-2021-46638

The vulnerability has a high severity score due to its potential impact on confidentiality, integrity, and availability of the system.

Technical Details of CVE-2021-46638

The following technical aspects of the vulnerability can aid in understanding and addressing the issue.

Vulnerability Description

The vulnerability stems from inadequate validation of user-supplied data length, resulting in a stack-based buffer overflow.

Affected Systems and Versions

Product: MicroStation CONNECT
Vendor: Bentley
Version: 10.16.0.80

Exploitation Mechanism

Execution of arbitrary code by malicious actors
Requires user interaction to access a malicious page or file

Mitigation and Prevention

Taking immediate steps and following security best practices can mitigate the risks posed by CVE-2021-46638.

Immediate Steps to Take

Update MicroStation CONNECT to the latest version
Avoid visiting suspicious websites or opening untrusted files

Long-Term Security Practices

Implement regular security audits and penetration testing
Educate users on cybersecurity best practices

Patching and Updates

Apply vendor-recommended patches promptly to address the vulnerability