CVE-2021-46644 : Exploit Details and Defense Strategies
Learn about CVE-2021-46644, a high-severity vulnerability in Bentley MicroStation CONNECT 10.16.0.80 allowing remote code execution. Find mitigation steps and update information here.
A vulnerability in Bentley MicroStation CONNECT 10.16.0.80 allows remote code execution, potentially compromising affected systems.
Understanding CVE-2021-46644
This CVE involves a critical vulnerability in Bentley MicroStation CONNECT 10.16.0.80 that could permit attackers to execute arbitrary code.
What is CVE-2021-46644?
The vulnerability enables remote attackers to run malicious code on impacted Bentley MicroStation CONNECT systems. Exploitation requires user interaction through visiting a malicious webpage or opening a malicious file.
The Impact of CVE-2021-46644
- CVSS Score: 7.8 (High Severity)
- Attack Complexity: Low
- Attack Vector: Local
- User Interaction: Required
- Privileges Required: None
- Confidentiality, Integrity, and Availability Impact: High
Technical Details of CVE-2021-46644
The technical aspects of CVE-2021-46644 shed light on the vulnerability's nature and potential risks.
Vulnerability Description
The flaw resides in the DGN file parsing mechanism, where crafted data can lead to a buffer write overflow, allowing attackers to execute code within the process.
Affected Systems and Versions
- Affected Product: MicroStation CONNECT
- Vendor: Bentley
- Affected Version: 10.16.0.80
Exploitation Mechanism
The vulnerability necessitates user interaction, requiring victims to interact with malicious content such as visiting specific websites or opening compromised files.
Mitigation and Prevention
Protecting against CVE-2021-46644 involves implementing immediate steps and long-term security practices.
Immediate Steps to Take
- Update Bentley MicroStation CONNECT to a patched version
- Avoid opening files or visiting websites from untrusted or unknown sources
- Use network security measures to limit exposure to potential attacks
Long-Term Security Practices
- Regularly update software and apply security patches promptly
- Conduct security awareness training to educate users on safe online practices
Patching and Updates
Vendors like Bentley may provide security patches or updates to address CVE-2021-46644. Stay informed about these releases and apply them promptly.