CVE-2021-46627: Bentley View DXF File Parsing Use-After-Free 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 View 10.15.0.75. 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 DXF 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-15457.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Bentley Systems | ||
| Bentley MicroStation | <10.16.02 | |
| Bentley Systems | <10.16.02 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-46627?
CVE-2021-46627 is classified as a critical vulnerability due to its ability to allow remote attackers to execute arbitrary code.
How do I fix CVE-2021-46627?
To fix CVE-2021-46627, update Bentley View to a version above 10.16.02.
What software is affected by CVE-2021-46627?
CVE-2021-46627 affects Bentley View version 10.15.0.75 and earlier, as well as Bentley MicroStation versions up to 10.16.02.
What type of attack vector is used in CVE-2021-46627?
CVE-2021-46627 requires user interaction, meaning the victim must visit a malicious page or open a malicious file.
Who is vulnerable to CVE-2021-46627?
Users of Bentley View and Bentley MicroStation versions up to 10.16.02 are vulnerable to CVE-2021-46627.
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