CVE-2021-34913 : Security Advisory and Response

This CVE-2021-34913 article provides details on a vulnerability in Bentley View version 10.15.0.75 that allows remote attackers to execute arbitrary code with high impact.

Understanding CVE-2021-34913

This section delves into the vulnerability's description, impact, affected systems, and mitigation steps.

What is CVE-2021-34913?

CVE-2021-34913 is a vulnerability in Bentley View 10.15.0.75 that enables remote attackers to execute arbitrary code by exploiting a flaw in parsing JT files. User interaction is required through visiting a malicious page or opening a malicious file.

The Impact of CVE-2021-34913

The vulnerability has a base score of 7.8, with high severity and impacts on confidentiality, integrity, and availability. Attackers can trigger a read past the end of an allocated buffer to execute code within the current process.

Technical Details of CVE-2021-34913

This section provides insights into the vulnerability's description, affected systems, and exploitation mechanism.

Vulnerability Description

The flaw lies in JT file parsing, where crafted data can trigger a buffer overflow, leading to remote code execution.

Affected Systems and Versions

Bentley View version 10.15.0.75 is confirmed to be impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by enticing targets to interact with malicious content, enabling code execution.

Mitigation and Prevention

Learn how to protect systems against CVE-2021-34913 and prevent exploitation.

Immediate Steps to Take

Users should refrain from accessing suspicious links or opening unverified files to mitigate the risk of exploitation.

Long-Term Security Practices

Implementing robust security measures, such as network segmentation and regular security updates, can enhance overall protection.

Patching and Updates

Ensure timely installation of security patches released by Bentley to address vulnerabilities and improve system security.