CVE-2021-46637: 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-15509.
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-2021-46637?
CVE-2021-46637 is a vulnerability that allows remote attackers to disclose sensitive information on affected installations of Bentley MicroStation CONNECT 10.16.0.80.
How can this vulnerability be exploited?
To exploit this vulnerability, the target must either visit a malicious page or open a malicious file.
Which software versions are affected by CVE-2021-46637?
The affected software versions are Bentley MicroStation CONNECT up to and inclusive of 10.16.0.80.
What is the severity of CVE-2021-46637?
CVE-2021-46637 has a severity rating of medium (5.5).
How can I find more information about CVE-2021-46637?
You can find more information about CVE-2021-46637 on the official Bentley website and the Zero Day Initiative website.
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