CVE-2021-46589: 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-15383.
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-2021-46589?
CVE-2021-46589 is a vulnerability in Bentley MicroStation CONNECT that allows remote attackers to disclose sensitive information.
How does the CVE-2021-46589 vulnerability work?
The CVE-2021-46589 vulnerability is exploited by visiting a malicious page or opening a malicious file, which triggers an out-of-bounds read and allows the attacker to access sensitive information.
Which versions of Bentley MicroStation CONNECT are affected by CVE-2021-46589?
Bentley MicroStation CONNECT 10.16.0.80 is affected by CVE-2021-46589.
What is the severity of CVE-2021-46589?
CVE-2021-46589 has a severity rating of 5.5 (medium).
How can I fix the CVE-2021-46589 vulnerability?
To fix the CVE-2021-46589 vulnerability, it is recommended to update Bentley MicroStation CONNECT to a version that is not affected by the vulnerability.
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