CVE-2021-46649 : Exploit Details and Defense Strategies

A vulnerability in Bentley MicroStation CONNECT 10.16.0.80 allows remote attackers to disclose sensitive information, potentially leading to arbitrary code execution.

Understanding CVE-2021-46649

This section delves into the specifics of the CVE-2021-46649 vulnerability.

What is CVE-2021-46649?

CVE-2021-46649 is a security flaw in Bentley MicroStation CONNECT version 10.16.0.80 that enables remote attackers to access sensitive data by exploiting issues in DGN file parsing.

The Impact of CVE-2021-46649

The vulnerability poses a low-severity risk with the potential for disclosing user information and executing arbitrary code, depending on the attacker's goals.

Technical Details of CVE-2021-46649

Exploring the technical aspects of the CVE-2021-46649 vulnerability.

Vulnerability Description

The flaw stems from inadequate validation of user-supplied data during DGN file parsing, causing a buffer overrun that attackers can leverage for malicious activities.

Affected Systems and Versions

Product: MicroStation CONNECT
Vendor: Bentley
Version: 10.16.0.80

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Local
User Interaction: Required
Privileges Required: None

Mitigation and Prevention

Understanding the steps to mitigate and prevent exploitation of CVE-2021-46649.

Immediate Steps to Take

Avoid visiting suspicious websites or opening untrusted files.
Regularly update Bentley MicroStation CONNECT to the latest version.

Long-Term Security Practices

Conduct security training to educate users on recognizing phishing attempts.
Implement endpoint protection solutions to detect and prevent exploitation attempts.

Patching and Updates

Always apply security patches and updates provided by Bentley to address known vulnerabilities.