CVE-2021-46586: Bentley MicroStation CONNECT 3DS File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
First published: Fri Feb 18 2022(Updated: )
This vulnerability allows remote attackers to execute arbitrary code 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 3DS files. Crafted data in a 3DS file can trigger a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-15380.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Bentley Systems | ||
| Bentley MicroStation | <10.16.02 | |
| Bentley Systems | =10.16.0.80 | |
| Bentley Systems | <10.16.02 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-46586?
The severity of CVE-2021-46586 is critical due to its potential for remote code execution.
How do I fix CVE-2021-46586?
To fix CVE-2021-46586, upgrade to a secured version of Bentley MicroStation or MicroStation CONNECT beyond version 10.16.0.80.
Who is affected by CVE-2021-46586?
Users of Bentley MicroStation CONNECT version 10.16.0.80 and earlier versions of Bentley MicroStation and Bentley View are affected by CVE-2021-46586.
Is user interaction required to exploit CVE-2021-46586?
Yes, user interaction is required as the target must visit a malicious page or open a malicious file to exploit CVE-2021-46586.
What type of vulnerability is CVE-2021-46586?
CVE-2021-46586 is a remote code execution vulnerability that affects Bentley software products.
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