CVE-2021-46636: Bentley MicroStation CONNECT DGN File Parsing Out-Of-Bounds Read 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 read 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-15508.
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 CVE-2021-46636?
CVE-2021-46636 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Bentley MicroStation CONNECT 10.16.0.80.
How can CVE-2021-46636 be exploited?
To exploit CVE-2021-46636, the target must visit a malicious page or open a malicious file.
Which software versions are affected by CVE-2021-46636?
CVE-2021-46636 affects Bentley MicroStation CONNECT version 10.16.0.80.
What is the severity of CVE-2021-46636?
CVE-2021-46636 has a severity of 7.8 (High).
How can I mitigate the risk of CVE-2021-46636?
To mitigate the risk of CVE-2021-46636, users should update to a version of Bentley MicroStation CONNECT that is not affected by the vulnerability.
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