CVE-2021-46631 Explained : Impact and Mitigation

A vulnerability in Bentley View 10.15.0.75 allows remote attackers to execute arbitrary code, impacting confidentiality, integrity, and availability.

Understanding CVE-2021-46631

This CVE involves a flaw in Bentley View 10.15.0.75 that enables remote attackers to run malicious code through specially crafted TIF images.

What is CVE-2021-46631?

The vulnerability permits remote attackers to execute arbitrary code on affected systems by exploiting memory initialization issues during TIF image parsing.

The Impact of CVE-2021-46631

The vulnerability poses a high risk with a CVSS base score of 7.8, potentially leading to unauthorized code execution with elevated privileges.

Technical Details of CVE-2021-46631

This section covers the specifics of the vulnerability in Bentley View 10.15.0.75.

Vulnerability Description

The flaw arises from improper memory initialization during TIF image processing, allowing attackers to execute code within the application's context.

Affected Systems and Versions

Product: Bentley View
Version: 10.15.0.75

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Local
User Interaction: Required
Privileges Required: None
Availability Impact: High
Confidentiality Impact: High
Integrity Impact: High
Scope: Unchanged

Mitigation and Prevention

Actions to reduce the risk associated with CVE-2021-46631.

Immediate Steps to Take

Apply vendor-supplied patches promptly.
Exercise caution when interacting with unknown or untrusted files or websites.
Implement network-level controls to filter out malicious content.
Educate users on safe browsing practices.

Long-Term Security Practices

Regularly update software to the latest versions.
Utilize intrusion detection and prevention systems.
Conduct security assessments and audits.

Patching and Updates

Stay informed about security advisories and immediately apply patches released by Bentley.