CVE-2021-46641: Bentley View DGN File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability
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.
Other sources
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View. 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.
— ZDI
Affected Software
Event History
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/).