CVE-2021-46640 : What You Need to Know

This CVE-2021-46640 article provides details about a high severity vulnerability allowing remote attackers to execute arbitrary code on Bentley View 10.15.0.75 installations.

Understanding CVE-2021-46640

This section delves into the nature of CVE-2021-46640 and its potential impact, as well as technical details surrounding the vulnerability.

What is CVE-2021-46640?

CVE-2021-46640 refers to a vulnerability in Bentley View 10.15.0.75 that enables attackers to execute arbitrary code through crafted DGN files, requiring user interaction for exploitation.

The Impact of CVE-2021-46640

The vulnerability's CVSS v3.0 base score of 7.8 indicates a high severity level, with confidentiality, integrity, and availability impacts being high. An attacker can trigger code execution in the current process.

Technical Details of CVE-2021-46640

Exploring the technical aspects of CVE-2021-46640, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The flaw in parsing DGN files allows attackers to overflow allocated buffers, leading to code execution within the process context.

Affected Systems and Versions

Product: Bentley View
Vendor: Bentley
Version: 10.15.0.75 (affected)

Exploitation Mechanism

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

Mitigation and Prevention

Exploring steps to mitigate and prevent exploitation of CVE-2021-46640.

Immediate Steps to Take

Update Bentley View to a non-vulnerable version.
Avoid opening files or visiting websites from untrusted sources.

Long-Term Security Practices

Regularly update software and apply security patches.
Educate users on safe browsing habits and file handling.

Patching and Updates

Stay informed about security advisories and promptly apply patches to mitigate known vulnerabilities.