CVE-2021-46641: Bentley View 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 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 file. Crafted data in a DNG 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-15513.
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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Frequently Asked Questions
What is the vulnerability ID for this Bentley View vulnerability?
The vulnerability ID for this Bentley View vulnerability is CVE-2021-46641.
What is the severity of CVE-2021-46641?
The severity of CVE-2021-46641 is 7.8 out of 10 (high).
How can remote attackers exploit CVE-2021-46641?
Remote attackers can exploit CVE-2021-46641 by executing arbitrary code on affected installations of Bentley View 10.15.0.75 through a malicious webpage or file that the target must visit or open.
What software versions are affected by CVE-2021-46641?
Bentley MicroStation versions up to exclusive 10.16.02 and Bentley View versions up to exclusive 10.16.02 are affected by CVE-2021-46641.
Where can I find more information about CVE-2021-46641?
You can find more information about CVE-2021-46641 on the Bentley Common Vulnerability Exposure website (https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0009) and the Zero Day Initiative advisory page (https://www.zerodayinitiative.com/advisories/ZDI-22-228/).
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