CVE-2021-34908 : Security Advisory and Response

This CVE-2021-34908 article provides detailed information about a vulnerability found in Bentley View 10.15.0.75 that allows remote attackers to execute arbitrary code. User interaction is required for exploitation.

Understanding CVE-2021-34908

This section covers the description, impact, affected systems, exploitation mechanism, and prevention methods related to CVE-2021-34908.

What is CVE-2021-34908?

CVE-2021-34908 is a vulnerability in Bentley View 10.15.0.75 that enables remote attackers to run arbitrary code by exploiting a flaw in parsing J2K files, due to lack of validating an object's existence.

The Impact of CVE-2021-34908

The vulnerability's CVSS base score is 7.8, indicating a high impact on confidentiality, integrity, and availability. Attack vector is local, with low complexity, no privileges required, and user interaction necessary.

Technical Details of CVE-2021-34908

This section outlines the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The flaw arises from improper validation of an object before operations, allowing attackers to execute code in the current process context.

Affected Systems and Versions

Bentley View 10.15.0.75 is affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by convincing a user to visit a malicious page or open a malicious file.

Mitigation and Prevention

This part provides guidance on responding to and preventing CVE-2021-34908.

Immediate Steps to Take

Users should avoid opening files or visiting pages from untrusted sources to prevent exploitation.

Long-Term Security Practices

Employing security best practices such as regular software updates and security awareness training can enhance overall defenses.

Patching and Updates

Ensure that the affected software, specifically Bentley View 10.15.0.75, is promptly updated with security patches to mitigate the vulnerability.