CVE-2021-46649: 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-15535.
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 | |
| Bentley MicroStation CONNECT |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this Bentley MicroStation CONNECT vulnerability?
The vulnerability ID for this Bentley MicroStation CONNECT vulnerability is CVE-2021-46649.
What is the severity rating of CVE-2021-46649?
CVE-2021-46649 has a severity rating of 5.5 (Medium).
How does CVE-2021-46649 affect Bentley MicroStation CONNECT?
CVE-2021-46649 allows remote attackers to disclose sensitive information on affected installations of Bentley MicroStation CONNECT 10.16.0.80.
What is the required user interaction to exploit CVE-2021-46649?
User interaction is required to exploit CVE-2021-46649 in that the target must visit a malicious page or open a malicious file.
How can I fix CVE-2021-46649 in Bentley MicroStation CONNECT?
To fix CVE-2021-46649 in Bentley MicroStation CONNECT, update to version 10.16.02 or higher.
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