CVE-2022-40201 Explained : Impact and Mitigation

A Stack-Based Buffer Overflow vulnerability was discovered in Bentley Systems MicroStation Connect versions 10.17.0.209 and earlier. This vulnerability could allow an attacker to execute arbitrary code on the affected systems.

Understanding CVE-2022-40201

What is CVE-2022-40201?

Bentley Systems MicroStation Connect versions 10.17.0.209 and prior are vulnerable to a Stack-Based Buffer Overflow when a malformed design (DGN) file is parsed, potentially enabling unauthorized code execution.

The Impact of CVE-2022-40201

The vulnerability carries a CVSS base score of 7.8, indicating a high severity issue. Attackers with low attack complexity can exploit this flaw locally without requiring special privileges, leading to a significant impact on confidentiality, integrity, and availability.

Technical Details of CVE-2022-40201

Vulnerability Description

The Stack-Based Buffer Overflow vulnerability in Bentley Systems MicroStation Connect arises when processing malformed DGN files, allowing threat actors to achieve arbitrary code execution.

Affected Systems and Versions

MicroStation Connect versions up to 10.17.0.209 are impacted by this security flaw.

Exploitation Mechanism

Attackers can leverage a specially crafted DGN file to trigger the Stack-Based Buffer Overflow and potentially gain control over the target system.

Mitigation and Prevention

Immediate Steps to Take

Bentley Systems has addressed the vulnerability by incorporating additional validation checks in the DGN platform. Users are strongly advised to update to the latest version of MicroStation Connect, particularly version 17.1.

Long-Term Security Practices

To enhance security posture, organizations should regularly update their software and implement robust security protocols to safeguard against future vulnerabilities.

Patching and Updates

For further information and updates regarding Bentley Systems MicroStation Connect, users can reach out to Bentley Support directly.