CVE-2021-34914 : Exploit Details and Defense Strategies

A detailed analysis of CVE-2021-34914, a vulnerability that impacts Bentley View version 10.15.0.75, allowing remote attackers to execute arbitrary code.

Understanding CVE-2021-34914

This section provides an overview of the vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2021-34914?

CVE-2021-34914 is a vulnerability in Bentley View 10.15.0.75 that enables remote attackers to run arbitrary code on affected systems by exploiting a flaw in DGN file parsing.

The Impact of CVE-2021-34914

The vulnerability poses a high risk, as attackers can trigger a write beyond a buffer's allocated space, potentially leading to code execution in the current process.

Technical Details of CVE-2021-34914

This section delves into the specifics of the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The flaw arises from improper parsing of DGN files, allowing crafted data to overwrite allocated memory buffers, leading to code execution.

Affected Systems and Versions

Bentley View version 10.15.0.75 is confirmed to be vulnerable to this exploit.

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking a user into accessing a malicious web page or opening a corrupted file, triggering the execution of arbitrary code.

Mitigation and Prevention

Learn how to protect systems from CVE-2021-34914 and secure against similar threats.

Immediate Steps to Take

Users are advised to apply security patches promptly to mitigate the risk of exploitation.

Long-Term Security Practices

Implementing secure coding practices, restricting file access permissions, and conducting regular security audits can help prevent such vulnerabilities.

Patching and Updates

Ensure that Bentley View is up to date with the latest security patches to address CVE-2021-34914 and enhance overall system security.