CVE-2021-46588 : Security Advisory and Response

This CVE-2021-46588 focuses on a vulnerability in Bentley MicroStation CONNECT version 10.16.0.80 that allows remote attackers to execute arbitrary code, requiring user interaction to exploit.

Understanding CVE-2021-46588

What is CVE-2021-46588?

The vulnerability enables remote attackers to execute arbitrary code on affected Bentley MicroStation CONNECT installations by exploiting a flaw in the parsing of JT files. User interaction, such as visiting a malicious page or opening a malicious file, is necessary for the attack.

The Impact of CVE-2021-46588

The vulnerability has a CVSSv3 base score of 7.8, indicating a high severity level with confidentiality, integrity, and availability impacts being high. Attack complexity is low, but user interaction is required, and privileges are not needed.

Technical Details of CVE-2021-46588

Vulnerability Description

The vulnerability stems from improper validation of objects before operations in Bentley MicroStation CONNECT, allowing attackers to execute code within the current process.

Affected Systems and Versions

Product: MicroStation CONNECT
Vendor: Bentley
Version: 10.16.0.80

Exploitation Mechanism

The flaw in parsing JT files allows attackers to initiate code execution by manipulating objects without proper authentication.

Mitigation and Prevention

Immediate Steps to Take

Apply the vendor-released patches promptly.
Educate users on safe browsing habits to prevent visiting malicious sites or opening suspicious files.

Long-Term Security Practices

Regularly update and patch all software to mitigate potential vulnerabilities.
Implement network segmentation and access controls to limit the attack surface.

Patching and Updates

Ensure timely installation of security updates and follow best practices for configuration management.