CVE-2021-46611 Explained : Impact and Mitigation

This CVE-2021-46611 affects Bentley MicroStation CONNECT version 10.16.0.80 allowing remote attackers to disclose sensitive information. User interaction is required to exploit this vulnerability.

Understanding CVE-2021-46611

This CVE involves a vulnerability in Bentley MicroStation CONNECT version 10.16.0.80 that can be exploited by remote attackers, requiring user interaction to execute malicious activities.

What is CVE-2021-46611?

CVE-2021-46611 is a security vulnerability in Bentley MicroStation CONNECT version 10.16.0.80 that can lead to the disclosure of sensitive information. The flaw lies in the parsing of JP2 images, enabling attackers to execute arbitrary code.

The Impact of CVE-2021-46611

The vulnerability allows attackers to read past the end of an allocated buffer, potentially resulting in the execution of arbitrary code within the current process context. This can lead to the exposure of sensitive data on affected installations of Bentley MicroStation CONNECT.

Technical Details of CVE-2021-46611

This section delves into the technical intricacies of CVE-2021-46611.

Vulnerability Description

The specific flaw in CVE-2021-46611 stems from inadequate validation of user-supplied data, particularly in the handling of JP2 images, causing a read past the end of an allocated buffer.

Affected Systems and Versions

Product: MicroStation CONNECT
Vendor: Bentley
Version: 10.16.0.80

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Local
User Interaction: Required
Privileges Required: None
Vector String: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Mitigation and Prevention

Understanding how to mitigate and prevent the exploitation of CVE-2021-46611 is crucial.

Immediate Steps to Take

Update MicroStation CONNECT to a secure version
Avoid visiting malicious pages or opening suspicious files

Long-Term Security Practices

Regularly update software and patches
Employ security solutions to detect and prevent similar vulnerabilities

Patching and Updates

Ensure timely application of security patches and updates provided by Bentley to address CVE-2021-46611.