CVE-2021-46630: Bentley View FBX File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
This vulnerability allows remote attackers to disclose sensitive information 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 FBX files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-15460.
Other sources
This vulnerability allows remote attackers to disclose sensitive information 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 FBX files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-46630?
CVE-2021-46630 is rated as a moderate severity vulnerability due to the requirement for user interaction to exploit it.
How do I fix CVE-2021-46630?
To mitigate CVE-2021-46630, upgrade Bentley View and Bentley MicroStation to version 10.16.02 or later.
What types of information could be disclosed through CVE-2021-46630?
CVE-2021-46630 can lead to the disclosure of sensitive information stored on affected installations.
What are the affected versions for CVE-2021-46630?
CVE-2021-46630 affects Bentley View up to version 10.16.02 and Bentley MicroStation up to version 10.16.02.
Do I need to take any action if I am not using Bentley View or MicroStation?
If you are not using Bentley View or MicroStation, no action is required regarding CVE-2021-46630.