CVE-2021-46594 : Exploit Details and Defense Strategies

This CVE-2021-46594 article provides comprehensive insights into a vulnerability in Bentley MicroStation CONNECT 10.16.0.80 that allows remote attackers to disclose sensitive information and execute arbitrary code.

Understanding CVE-2021-46594

CVE-2021-46594 is a security vulnerability in Bentley MicroStation CONNECT 10.16.0.80 that requires user interaction to be exploited.

What is CVE-2021-46594?

The vulnerability enables remote attackers to reveal sensitive data in affected installations of Bentley MicroStation CONNECT 10.16.0.80. It stems from inadequate validation of user-supplied data during DWG files parsing, leading to a potential buffer overflow.

The Impact of CVE-2021-46594

CVSS Score: 3.3 (Low Severity)
Attack Vector: Local
Attack Complexity: Low
User Interaction: Required
Confidentiality Impact: Low
Integrity Impact: None
Availability Impact: None

Technical Details of CVE-2021-46594

CVE-2021-46594 involves the following technical aspects:

Vulnerability Description

The flaw allows attackers to read sensitive information due to improper validation of user-supplied data, potentially leading to arbitrary code execution.

Affected Systems and Versions

Affected Product: MicroStation CONNECT
Vendor: Bentley
Affected Version: 10.16.0.80

Exploitation Mechanism

The vulnerability can be exploited when a user interacts with a malicious page or opens a malicious file, triggering a buffer overflow.

Mitigation and Prevention

To address CVE-2021-46594, consider the following mitigation steps:

Immediate Steps to Take

Update MicroStation CONNECT to a patched version.
Avoid visiting suspicious websites or opening unknown files.

Long-Term Security Practices

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

Patching and Updates

Ensure timely installation of security patches and updates to mitigate the vulnerability.