CVE-2021-46585 : What You Need to Know

This CVE pertains to a vulnerability in Bentley MicroStation CONNECT version 10.16.0.80 that allows remote attackers to execute arbitrary code. User interaction is necessary for exploiting this vulnerability through visiting a malicious page or opening a malicious file.

Understanding CVE-2021-46585

This section provides insights into the vulnerability and its implications.

What is CVE-2021-46585?

The vulnerability in Bentley MicroStation CONNECT version 10.16.0.80 enables remote attackers to execute arbitrary code by exploiting a flaw in parsing JT files. The lack of proper validation of user-supplied data allows attackers to manipulate the stack-based buffer, leading to code execution within the current process.

The Impact of CVE-2021-46585

The impact of this vulnerability is significant, with a CVSS base score of 7.8 (High). It poses a high threat to confidentiality, integrity, and availability, with low attack complexity but significant consequences.

Technical Details of CVE-2021-46585

Explore the technical aspects of the CVE.

Vulnerability Description

The vulnerability is categorized as a CWE-121: Stack-based Buffer Overflow, highlighting the specific nature of the security flaw related to user input validation.

Affected Systems and Versions

Product: MicroStation CONNECT
Vendor: Bentley
Version: 10.16.0.80

Exploitation Mechanism

Attack Vector: Local
Privileges Required: None
User Interaction: Required
User Interaction Details: Visit a malicious page or open a malicious file
Attack Complexity: Low

Mitigation and Prevention

Learn about mitigating measures and preventive actions.

Immediate Steps to Take

Update Bentley MicroStation CONNECT to a secure version
Avoid visiting untrusted websites or opening suspicious files
Implement network segmentation to minimize potential impact

Long-Term Security Practices

Regularly update software and systems to patch known vulnerabilities
Conduct security training to educate users on safe browsing practices
Monitor network traffic for any suspicious activities

Patching and Updates

Refer to vendor-provided patches and security advisories for updates
Apply patches promptly to secure the software against known exploits