CVE-2021-46650 : What You Need to Know

This CVE-2021-46650 article provides insights into a vulnerability affecting Bentley MicroStation CONNECT version 10.16.0.80, allowing remote attackers to disclose sensitive information.

Understanding CVE-2021-46650

CVE-2021-46650 pertains to a vulnerability in Bentley MicroStation CONNECT 10.16.0.80 that enables remote attackers to disclose sensitive information with user interaction required for exploitation.

What is CVE-2021-46650?

The CVE-2021-46650 vulnerability allows attackers to reveal sensitive data on affected installations of Bentley MicroStation CONNECT 10.16.0.80 by exploiting parsing flaws in DGN files.
User interaction is necessary, such as visiting malicious pages or opening malicious files.

The Impact of CVE-2021-46650

CVSS Score: 3.3 (Low Severity)
Attack Vector: Local
User Interaction: Required
Vulnerability Type: Out-of-bounds Read (CWE-125)
The risk lies in the lack of validation of user-supplied data, potentially leading to reading beyond allocated buffers and enabling arbitrary code execution.

Technical Details of CVE-2021-46650

This section delves into the specific technical aspects of the CVE-2021-46650 vulnerability.

Vulnerability Description

The vulnerability arises from inadequate validation of user-supplied data during the parsing of DGN files.

Affected Systems and Versions

Affected Product: MicroStation CONNECT
Vendor: Bentley
Affected Version: 10.16.0.80

Exploitation Mechanism

Attackers can exploit this vulnerability by enticing targets to interact with crafted malicious content, causing data leakage and potential code execution.

Mitigation and Prevention

Understanding the steps to mitigate and prevent CVE-2021-46650 is crucial for safeguarding systems.

Immediate Steps to Take

Ensure users exercise caution while opening files from untrusted sources.
Implement security protocols to validate user inputs and prevent buffer overflow.

Long-Term Security Practices

Regularly update the software to the latest version to patch known vulnerabilities.

Patching and Updates

Stay informed about security advisories from Bentley and apply patches promptly to protect systems.