CVE-2021-46603 : Security Advisory and Response
Understand the impact and technical details of CVE-2021-46603 affecting Bentley MicroStation CONNECT 10.16.0.80. Learn mitigation strategies and the importance of immediate patching.
This CVE report pertains to a vulnerability in Bentley MicroStation CONNECT 10.16.0.80, allowing remote attackers to execute arbitrary code. The flaw involves improper validation in processing J2K images, leading to a heap-based buffer overflow.
Understanding CVE-2021-46603
This section provides insight into the impact and technical details of CVE-2021-46603.
What is CVE-2021-46603?
CVE-2021-46603 enables remote attackers to run arbitrary code on affected Bentley MicroStation CONNECT 10.16.0.80 instances by exploiting a weakness in J2K image parsing.
The Impact of CVE-2021-46603
The vulnerability's CVSS score of 7.8 (High) signifies its severe implications:
- Attack Complexity: Low
- Attack Vector: Local
- User Interaction: Required
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
Technical Details of CVE-2021-46603
This section delves into the specific technical aspects of CVE-2021-46603.
Vulnerability Description
The vulnerability stems from improper data validation before copying user-supplied data to a heap-based buffer, leading to a heap-based buffer overflow.
Affected Systems and Versions
- Product: MicroStation CONNECT
- Vendor: Bentley
- Version: 10.16.0.80
Exploitation Mechanism
Exploiting this vulnerability requires user interaction, such as visiting a malicious page or opening a harmful file.
Mitigation and Prevention
Learn about the immediate and long-term actions to mitigate and prevent CVE-2021-46603.
Immediate Steps to Take
- Apply vendor-provided patches promptly.
- Educate users about safe browsing habits to prevent visiting malicious sites.
- Use email and web content filters to block suspicious file downloads.
Long-Term Security Practices
- Regularly update software and security patches.
- Conduct security audits and penetration testing.
- Implement network segmentation to restrict lateral movement of threats.
- Enhance user awareness and training on cybersecurity best practices.
Patching and Updates
Stay informed about security advisories and updates from Bentley for MicroStation CONNECT.