CVE-2021-46614 : Exploit Details and Defense Strategies

Bentley MicroStation CONNECT 10.16.0.80 J2K File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability affecting MicroStation CONNECT by Bentley.

Understanding CVE-2021-46614

This CVE involves a vulnerability that allows remote attackers to execute arbitrary code on systems with Bentley MicroStation CONNECT version 10.16.0.80.

What is CVE-2021-46614?

The CVE-2021-46614 is a critical vulnerability in Bentley MicroStation CONNECT due to out-of-bounds read during the parsing of J2K images, enabling remote code execution.

The Impact of CVE-2021-46614

CVSS Base Score: 7.8 (High)
Attack Vector: Local
User Interaction: Required
Confidentiality, Integrity, and Availability Impact: High

Technical Details of CVE-2021-46614

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows attackers to trigger a read past the end of an allocated buffer by manipulating crafted data in a J2K image.
Attackers can exploit this flaw to execute arbitrary code within the current process.

Affected Systems and Versions

Product: MicroStation CONNECT
Vendor: Bentley
Version: 10.16.0.80 (affected)

Exploitation Mechanism

User interaction is required, such as visiting a malicious page or opening a malicious file, to exploit this vulnerability.

Mitigation and Prevention

Protect your systems from CVE-2021-46614 with the following measures.

Immediate Steps to Take

Update MicroStation CONNECT to a non-vulnerable version.
Exercise caution when interacting with untrusted files or websites.

Long-Term Security Practices

Implement network segmentation to limit the impact of potential attacks.
Regularly educate users on safe browsing habits and security best practices.

Patching and Updates

Stay informed about security updates from Bentley and apply patches promptly.