CVE-2021-46574 : Exploit Details and Defense Strategies

This CVE article provides details about a vulnerability in Bentley MicroStation CONNECT 10.16.0.80 that allows remote code execution.

Understanding CVE-2021-46574

This section delves into the vulnerability's nature and its impact.

What is CVE-2021-46574?

CVE-2021-46574 is a vulnerability in Bentley MicroStation CONNECT that enables attackers to execute arbitrary code. It requires user interaction to exploit through visiting a malicious page or opening a malicious file, primarily found in the parsing of JT files.

The Impact of CVE-2021-46574

The vulnerability's impact is rated as high, affecting confidentiality, integrity, and availability. Attackers can execute code in the context of the current process.

Technical Details of CVE-2021-46574

This section outlines the technical aspects of the vulnerability.

Vulnerability Description

The flaw allows for remote code execution by triggering a write past the end of an allocated buffer, exploiting crafted data in JT files.

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
Scope: Unchanged

Mitigation and Prevention

Guidance on how to mitigate the vulnerability is crucial to prevent exploitation.

Immediate Steps to Take

Implement security updates provided by Bentley.
Avoid visiting suspicious websites or opening files from unknown sources.

Long-Term Security Practices

Regularly update software and systems to patch vulnerabilities.
Conduct security training to educate users on recognizing phishing attempts.

Patching and Updates

Stay informed about security patches and apply them promptly to secure systems.