CVE-2021-46605 : What You Need to Know

This CVE-2021-46605 article provides details about a vulnerability in Bentley MicroStation CONNECT 10.16.0.80 that allows remote attackers to execute arbitrary code.

Understanding CVE-2021-46605

This section explains the vulnerability, its impact, technical details, and mitigation steps.

What is CVE-2021-46605?

The vulnerability in Bentley MicroStation CONNECT 10.16.0.80 enables remote attackers to execute arbitrary code by exploiting a flaw in BMP image parsing.

The Impact of CVE-2021-46605

The vulnerability has a CVSS score of 7.8 (High) and requires user interaction for exploitation. Attackers can achieve high impacts on confidentiality, integrity, and availability.

Technical Details of CVE-2021-46605

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability stems from improper validation of user-supplied data length before copying it to a heap-based buffer.

Affected Systems and Versions

Product: MicroStation CONNECT
Vendor: Bentley
Version: 10.16.0.80

Exploitation Mechanism

Attackers exploit this vulnerability by luring victims to visit malicious webpages or open corrupted files containing infected BMP images.

Mitigation and Prevention

Best practices for addressing CVE-2021-46605 are outlined below.

Immediate Steps to Take

Apply security patches promptly
Avoid visiting unfamiliar websites or opening suspicious files
Keep system and applications up to date

Long-Term Security Practices

Conduct regular security awareness training
Implement network segmentation
Use intrusion detection/prevention systems

Patching and Updates

Stay informed about security advisories and apply patches recommended by Bentley to address the vulnerability.