CVE-2021-46640: Bentley View 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 View 10.15.0.75. 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-15512.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Bentley MicroStation | <10.16.02 | |
| Bentley View | <10.16.02 | |
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Reference Links
Frequently Asked Questions
What is the CVE ID for this vulnerability?
The CVE ID for this vulnerability is CVE-2021-46640.
What is the severity of CVE-2021-46640?
The severity of CVE-2021-46640 is high with a CVSS score of 7.8.
How does CVE-2021-46640 impact Bentley View software?
CVE-2021-46640 allows remote attackers to execute arbitrary code on affected installations of Bentley View 10.15.0.75.
How can this vulnerability be exploited?
This vulnerability can be exploited when the target visits a malicious page or opens a malicious file.
Is user interaction required to exploit CVE-2021-46640?
Yes, user interaction is required to exploit CVE-2021-46640.
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