CVE-2021-34926 Explained : Impact and Mitigation

This CVE-2021-34926 affects Bentley View version 10.15.0.75, allowing remote attackers to execute arbitrary code. It requires user interaction for exploitation.

Understanding CVE-2021-34926

This CVE impacts Bentley View software version 10.15.0.75, enabling attackers to run malicious code on affected systems.

What is CVE-2021-34926?

CVE-2021-34926 is a vulnerability in Bentley View 10.15.0.75, permitting remote attackers to execute arbitrary code via crafted JT files, exploiting a buffer overflow.

The Impact of CVE-2021-34926

The vulnerability poses a high risk, with a CVSS base score of 7.8 and high impacts on confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2021-34926

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

Vulnerability Description

The flaw lies in the handling of JT files, where crafted data can lead to a buffer overflow, enabling attackers to execute code within the current process.

Affected Systems and Versions

Bentley View version 10.15.0.75 is affected by this vulnerability, exposing systems to remote code execution attacks.

Exploitation Mechanism

To exploit this issue, attackers need users to interact with a malicious page or file, triggering the buffer overflow and enabling code execution.

Mitigation and Prevention

In this section, we cover the immediate steps to take and long-term security measures to safeguard against CVE-2021-34926.

Immediate Steps to Take

Users are advised to update to a patched version, avoid interacting with untrusted JT files, and be cautious while browsing.

Long-Term Security Practices

Implement strong access controls, regularly update software, educate users on safe browsing habits, and deploy security solutions to mitigate similar risks.

Patching and Updates

Ensure timely application of security patches provided by Bentley to address the vulnerability and enhance system security.