CVE-2022-35904 : Exploit Details and Defense Strategies

An issue was discovered in Bentley MicroStation before version 10.17.0.x and Bentley View before version 10.17.0.x. Exploiting an affected version to open a crafted IFC file can result in an out-of-bounds read vulnerability, potentially allowing an attacker to access sensitive information.

Understanding CVE-2022-35904

This CVE involves a vulnerability in Bentley MicroStation and Bentley View that could be exploited by opening maliciously crafted files to gain unauthorized access to system information.

What is CVE-2022-35904?

The CVE-2022-35904 vulnerability exists in Bentley MicroStation and Bentley View versions prior to 10.17.0.x. It allows threat actors to execute an out-of-bounds read by manipulating IFC files, thereby compromising system security.

The Impact of CVE-2022-35904

The exploitation of this vulnerability could lead to unauthorized access to sensitive information within the context of the affected application. This could result in a breach of confidentiality and potential data exposure.

Technical Details of CVE-2022-35904

This section provides technical insights into the vulnerability, including its description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability in Bentley MicroStation and Bentley View can be triggered by opening specially crafted IFC files, leading to an out-of-bounds read. This can be abused by threat actors to access information beyond the allocated memory.

Affected Systems and Versions

The vulnerability affects versions of Bentley MicroStation and Bentley View prior to 10.17.0.x. Users of these versions are at risk of exploitation if they open malicious IFC files.

Exploitation Mechanism

By manipulating the content of IFC files, attackers can trigger the out-of-bounds read vulnerability in Bentley MicroStation and Bentley View. This allows them to read sensitive data within the application's memory context.

Mitigation and Prevention

To safeguard systems from CVE-2022-35904, users should follow immediate and long-term security practices outlined below:

Immediate Steps to Take

Update Bentley MicroStation and Bentley View to version 10.17.0.x or above to mitigate the vulnerability.
Avoid opening IFC files from untrusted or unknown sources to minimize the risk of exploitation.

Long-Term Security Practices

Regularly update software applications to address security vulnerabilities promptly.
Implement access controls and restrictions to limit unauthorized access to critical files and data.

Patching and Updates

Stay informed about security updates released by Bentley Systems and promptly apply patches to secure systems against CVE-2022-35904.