CVE-2021-34911: Bentley View 3DS File Parsing Use-After-Free Remote Code Execution Vulnerability
First published: Thu Jan 13 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 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-14884.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Bentley View | <10.16.02 | |
| Bentley MicroStation | <10.16.02 | |
| Bentley Systems |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-34911?
CVE-2021-34911 is classified as a critical vulnerability due to its potential to allow remote code execution.
How do I fix CVE-2021-34911?
To fix CVE-2021-34911, users should upgrade Bentley View to version 10.16.02 or later.
Who is affected by CVE-2021-34911?
CVE-2021-34911 affects installations of Bentley View up to version 10.15.0.75 and Bentley MicroStation up to version 10.15.0.75.
What type of attack is possible with CVE-2021-34911?
CVE-2021-34911 allows remote attackers to execute arbitrary code on vulnerable systems after user interaction.
What is required for an attacker to exploit CVE-2021-34911?
Exploitation of CVE-2021-34911 requires the target user to visit a malicious page or open a malicious file.
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