CVE-2021-46651: Bentley MicroStation CONNECT DGN File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
First published: Fri Feb 18 2022(Updated: )
This vulnerability allows remote attackers to disclose sensitive information 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. 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-15537.
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-2021-46651?
CVE-2021-46651 is a vulnerability that allows remote attackers to disclose sensitive information on affected installations of Bentley MicroStation CONNECT 10.16.0.80.
How severe is CVE-2021-46651?
CVE-2021-46651 has a severity rating of 5.5 (medium).
Which software versions are affected by CVE-2021-46651?
Versions up to and exclusive of Bentley MicroStation CONNECT 10.16.0.80 are affected by CVE-2021-46651.
How can CVE-2021-46651 be exploited?
Exploiting CVE-2021-46651 requires user interaction, such as visiting a malicious page or opening a malicious file.
Are there any references for CVE-2021-46651?
Yes, you can find more information about CVE-2021-46651 at the following links: [link1](https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0009), [link2](https://www.zerodayinitiative.com/advisories/ZDI-22-238/).
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