CVE-2021-46596 Explained : Impact and Mitigation

This CVE-2021-46596 involves a vulnerability in Bentley's MicroStation CONNECT version 10.16.0.80 that could allow remote attackers to disclose sensitive information due to improper data validation.

Understanding CVE-2021-46596

This CVE pertains to a flaw within the parsing of OBJ files in Bentley MicroStation CONNECT, potentially leading to arbitrary code execution.

What is CVE-2021-46596?

The vulnerability enables attackers to exploit lack of data validation in MicroStation CONNECT 10.16.0.80, requiring user interaction to trigger the issue.

The Impact of CVE-2021-46596

CVSS Base Score: 3.3 (Low)
Severity: Low
Attack Vector: Local
User Interaction: Required
CWE ID: CWE-125: Out-of-bounds Read

Technical Details of CVE-2021-46596

The following sections outline the technical aspects of this CVE.

Vulnerability Description

The flaw allows attackers to read beyond an allocated buffer, potentially leading to information disclosure and code execution.

Affected Systems and Versions

Affected System: Bentley MicroStation CONNECT
Affected Version: 10.16.0.80

Exploitation Mechanism

Attackers can exploit this vulnerability by enticing users to access malicious pages or files, triggering the flaw.

Mitigation and Prevention

To address CVE-2021-46596, follow these security measures:

Immediate Steps to Take

Ensure users avoid visiting suspicious websites or opening unknown files.
Apply security patches provided by Bentley promptly.

Long-Term Security Practices

Implement regular security training for users on safe internet practices.
Employ security solutions that can detect and mitigate similar vulnerabilities.

Patching and Updates

Stay informed about security updates from Bentley to address known vulnerabilities promptly.