CVE-2021-46592: Bentley MicroStation CONNECT 3DS File Parsing Use-After-Free Remote Code Execution Vulnerability

Published 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. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-15386.

Other sources

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley MicroStation CONNECT. 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. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.

ZDI

Affected Software

4 affected components
Bentley MicroStation CONNECT
Bentley MicroStation<10.16.02
Bentley MicroStation CONNECT=10.16.0.80
Bentley View<10.16.02

Event History

Feb 18, 2022
CVE Published
via MITRE·07:45 PM
Data Sourced
via MITRE·07:45 PM
DescriptionSeverityWeakness
Feb 21, 2025
Advisory Published
via ZDI·02:26 PM

Frequently Asked Questions

1

What is the severity of CVE-2021-46592?

CVE-2021-46592 is classified as a critical vulnerability due to its potential for remote code execution.

2

How do I fix CVE-2021-46592?

To mitigate CVE-2021-46592, users should update Bentley MicroStation CONNECT to the latest version provided by Bentley.

3

What software versions are affected by CVE-2021-46592?

CVE-2021-46592 affects Bentley MicroStation CONNECT version 10.16.0.80 and potentially earlier versions up to 10.16.02.

4

Is user interaction required to exploit CVE-2021-46592?

Yes, exploitation of CVE-2021-46592 requires user interaction, such as visiting a malicious webpage or opening a malicious file.

5

Who is impacted by CVE-2021-46592?

Users of Bentley MicroStation CONNECT 10.16.0.80 or earlier are impacted by CVE-2021-46592.

Contact

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