CVE-2021-46564 : Exploit Details and Defense Strategies

A vulnerability in Bentley MicroStation CONNECT 10.16.0.80 allows remote code execution, affecting versions of the software.

Understanding CVE-2021-46564

A vulnerability in Bentley MicroStation CONNECT 10.16.0.80 that enables remote code execution.

What is CVE-2021-46564?

The vulnerability in MicroStation CONNECT allows remote attackers to execute arbitrary code. User interaction is needed, such as visiting a malicious site.

The Impact of CVE-2021-46564

CVSS Base Score: 7.8 (High Severity)
Attack Vector: Local
Confidentiality, Integrity, and Availability Impact: High
Vulnerability: Out-of-bounds Write (CWE-787)

Technical Details of CVE-2021-46564

Details of the vulnerability affecting Bentley MicroStation CONNECT 10.16.0.80.

Vulnerability Description

The flaw is in parsing JT files, allowing attackers to trigger a buffer overflow.

Affected Systems and Versions

Product: Bentley MicroStation CONNECT
Version: 10.16.0.80

Exploitation Mechanism

Attackers create crafted data in a JT file to execute code within the current process.

Mitigation and Prevention

Ways to address and prevent the CVE-2021-46564 vulnerability.

Immediate Steps to Take

Update MicroStation CONNECT to the latest version.
Educate users to avoid interacting with suspicious files or links.

Long-Term Security Practices

Regularly patch and update software to prevent vulnerabilities.
Implement security mechanisms like sandboxing.

Patching and Updates

Bentley may release patches to address the vulnerability.