CVE-2021-46593: Bentley MicroStation CONNECT DWG 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 DWG 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-15387.
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 severity of CVE-2021-46593?
CVE-2021-46593 is classified as a moderate severity vulnerability due to its potential to disclose sensitive information.
How do I fix CVE-2021-46593?
To fix CVE-2021-46593, ensure that you update Bentley MicroStation CONNECT to the latest patched version.
What types of systems are affected by CVE-2021-46593?
CVE-2021-46593 affects installations of Bentley MicroStation CONNECT version 10.16.0.80 and earlier versions of Bentley MicroStation and Bentley View.
What are the exploitation conditions for CVE-2021-46593?
Exploitation of CVE-2021-46593 requires user interaction, where the user must visit a malicious page or open a malicious file.
What kind of information can be disclosed by exploiting CVE-2021-46593?
Exploiting CVE-2021-46593 can allow remote attackers to disclose sensitive information from the affected installations.
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