CVE-2021-34904 : Exploit Details and Defense Strategies

A detailed overview of CVE-2021-34904, a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Bentley View 10.15.0.75.

Understanding CVE-2021-34904

This section delves into the specifics of the CVE-2021-34904 vulnerability affecting Bentley View 10.15.0.75.

What is CVE-2021-34904?

CVE-2021-34904 allows remote attackers to execute arbitrary code on affected Bentley View 10.15.0.75 installations due to a flaw in the parsing of DGN files.

The Impact of CVE-2021-34904

The vulnerability has a high severity level, with a CVSS base score of 7.8. Attackers can exploit this flaw to execute code in the context of the current process, requiring user interaction.

Technical Details of CVE-2021-34904

Explore the technical aspects of CVE-2021-34904 to understand the vulnerability further.

Vulnerability Description

CVE-2021-34904 is a heap-based buffer overflow vulnerability that stems from inadequate validation of user-supplied data length before copying it to a heap-based buffer.

Affected Systems and Versions

The vulnerability affects Bentley View version 10.15.0.75.

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking a user into visiting a malicious page or opening a malicious file to execute arbitrary code.

Mitigation and Prevention

Learn how to mitigate the risks posed by CVE-2021-34904 and prevent potential exploitation.

Immediate Steps to Take

Users should apply patches provided by Bentley to address the vulnerability promptly. It is crucial to educate users about the risks of visiting unknown websites or opening suspicious files.

Long-Term Security Practices

Implementing strong security measures such as network segmentation, restricting user privileges, and employing endpoint protection solutions can enhance overall security.

Patching and Updates

Regularly check for security updates and patches from Bentley to protect your systems from known vulnerabilities.