CVE-2021-46593 : Security Advisory and Response

This CVE-2021-46593 vulnerability in Bentley MicroStation CONNECT 10.16.0.80 allows remote attackers to disclose sensitive information and execute arbitrary code.

Understanding CVE-2021-46593

This vulnerability in MicroStation CONNECT could be exploited by remote attackers requiring user interaction to visit a malicious page or open a malevolent file. The flaw lies in DWG file parsing.

What is CVE-2021-46593?

The vulnerability in Bentley MicroStation CONNECT 10.16.0.80 allows attackers to access sensitive information due to improper validation of user-supplied data, potentially leading to arbitrary code execution.

The Impact of CVE-2021-46593

CVSS Base Score: 3.3 (Low Severity)
Attack Vector: Local
User Interaction: Required
CWE ID: CWE-125: Out-of-bounds Read
Attackers can exploit this vulnerability for information disclosure and potential code execution.

Technical Details of CVE-2021-46593

The nature of this vulnerability and its impact on affected systems and potential exploitation methods.

Vulnerability Description

The flaw arises from inadequate validation of user inputs, leading to a buffer overflow during the parsing of DWG files.

Affected Systems and Versions

Product: MicroStation CONNECT
Vendor: Bentley
Version: 10.16.0.80

Exploitation Mechanism

Attackers can induce users to interact with malicious content, causing the application to mishandle user-supplied data, potentially allowing code execution.

Mitigation and Prevention

Recommendations to mitigate the risks posed by CVE-2021-46593.

Immediate Steps to Take

Ensure users are cautious while visiting unknown websites or opening files from untrusted sources.
Regularly update MicroStation CONNECT to patched versions.

Long-Term Security Practices

Implement robust input validation mechanisms to prevent buffer overflows.
Educate users about safe browsing practices and the risks of opening files from suspicious sources.

Patching and Updates

Apply security patches provided by Bentley to address and remediate the vulnerability in MicroStation CONNECT.