CVE-2021-46602 : Vulnerability Insights and Analysis

An overview of a vulnerability affecting Bentley MicroStation CONNECT.

Understanding CVE-2021-46602

Details and impact of the vulnerability.

What is CVE-2021-46602?

CVE-2021-46602 allows remote attackers to access sensitive data in Bentley MicroStation CONNECT 10.16.0.80. User interaction is required, typically through visiting a malicious website or opening a malicious file. The vulnerability arises from inadequate validation of user-supplied data during the parsing of 3DS files, potentially leading to code execution.

The Impact of CVE-2021-46602

CVSS Base Score: 3.3 (Low)
Attack Complexity: Low
Privileges Required: None
User Interaction: Required
Confidentiality Impact: Low
Integrity Impact: None
Availability Impact: None
Vector String: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Technical Details of CVE-2021-46602

Insight into the technical aspects of the vulnerability.

Vulnerability Description

The flaw allows read access beyond the allocated buffer, enabling attackers to execute arbitrary code within the current process.

Affected Systems and Versions

Product: MicroStation CONNECT
Vendor: Bentley
Affected Version: 10.16.0.80

Exploitation Mechanism

Attackers exploit the lack of data validation in 3DS files to execute malicious code, requiring user interaction.

Mitigation and Prevention

Measures to mitigate the vulnerability.

Immediate Steps to Take

Regularly update MicroStation CONNECT to the latest version
Avoid visiting suspicious websites or opening files from unknown sources

Long-Term Security Practices

Conduct security assessments and penetration testing
Educate users on safe browsing habits and file handling practices

Patching and Updates

Apply patches provided by Bentley to address this vulnerability.