CVE-2021-46600 : What You Need to Know

This CVE-2021-46600 article provides insights into a vulnerability affecting Bentley's MicroStation CONNECT version 10.16.0.80.

Understanding CVE-2021-46600

This section delves into the details of the vulnerability.

What is CVE-2021-46600?

The vulnerability in Bentley MicroStation CONNECT 10.16.0.80 allows remote attackers to disclose sensitive information. Exploiting this issue requires user interaction by visiting a malicious page or opening a malicious file. The flaw is found in the parsing of JT files, lacking proper validation of user-supplied data, potentially leading to arbitrary code execution.

The Impact of CVE-2021-46600

The vulnerability has a CVSS v3.0 base score of 3.3, with low severity affecting confidentiality but no impact on integrity or availability. It necessitates local attack complexity and mandatory user interaction.

Technical Details of CVE-2021-46600

Exploring the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability involves an out-of-bounds read (CWE-125) due to improper data validation, enabling attackers to read past the end of an allocated buffer.

Affected Systems and Versions

Product: MicroStation CONNECT
Vendor: Bentley
Version: 10.16.0.80

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Local
User Interaction: Required
Privileges Required: None
Scope: Unchanged
Vector String: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Mitigation and Prevention

Guidance on mitigating and preventing exploitation.

Immediate Steps to Take

Apply security patches promptly.
Educate users about safe browsing habits.

Long-Term Security Practices

Regularly update software and security mechanisms.
Employ network segmentation for added protection.

Patching and Updates

Regularly check for updates and apply patches to ensure system security.