CVE-2021-46644: Bentley MicroStation CONNECT DGN File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
First published: Fri Feb 18 2022(Updated: )
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley MicroStation CONNECT 10.16.0.80. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of DGN files. Crafted data in a DGN file can trigger a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-15530.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Bentley MicroStation | <10.16.02 | |
| Bentley MicroStation CONNECT | <10.16.0.80 | |
| Bentley View | <10.16.02 | |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this Bentley MicroStation CONNECT vulnerability?
The vulnerability ID is CVE-2021-46644.
What is the severity of CVE-2021-46644?
The severity of CVE-2021-46644 is high.
How can remote attackers exploit CVE-2021-46644?
Remote attackers can exploit CVE-2021-46644 by executing arbitrary code on affected installations of Bentley MicroStation CONNECT 10.16.0.80 through user interaction, such as visiting a malicious page or opening a malicious file.
Which software versions of Bentley MicroStation CONNECT are affected by CVE-2021-46644?
Bentley MicroStation CONNECT versions up to 10.16.0.80 are affected by CVE-2021-46644.
How can I fix CVE-2021-46644?
To fix CVE-2021-46644, it is recommended to update Bentley MicroStation CONNECT to a version beyond 10.16.0.80.
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