CVE-2021-46642 : Vulnerability Insights and Analysis

This CVE-2021-46642 involves a vulnerability in Bentley View 10.15.0.75 that allows remote attackers to disclose sensitive information, potentially leading to code execution.

Understanding CVE-2021-46642

This vulnerability in Bentley View 10.15.0.75 can be exploited through the parsing of DGN files, allowing attackers to read sensitive data and execute arbitrary code.

What is CVE-2021-46642?

CVE-2021-46642 is a remote code execution vulnerability in Bentley View 10.15.0.75, requiring user interaction to exploit via visiting a malicious page or opening a malicious file.

The Impact of CVE-2021-46642

Attack Complexity: Low
Attack Vector: Local
Confidentiality Impact: Low
Integrity Impact: None
User Interaction: Required
CVSS Base Score: 3.3 (Low)

Technical Details of CVE-2021-46642

This section provides a deeper dive into the technical aspects of the vulnerability.

Vulnerability Description

The flaw results from inadequate user input validation when parsing DGN files, enabling attackers to read beyond allocated buffers and potentially execute arbitrary code.

Affected Systems and Versions

Product: Bentley View
Version: 10.15.0.75

Exploitation Mechanism

The vulnerability is exploited through the manipulation of user-supplied data within DGN files to execute unauthorized code in the context of the current process.

Mitigation and Prevention

To address CVE-2021-46642, follow these security measures:

Immediate Steps to Take

Update Bentley View to a patched version
Avoid opening files from untrusted sources
Consider blocking unnecessary network traffic

Long-Term Security Practices

Regularly update software and security patches
Conduct security training for users on identifying phishing attempts

Patching and Updates

Apply security patches provided by Bentley to mitigate the vulnerability.