CVE-2021-34917: Bentley View J2K 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 J2K 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-14895.
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-2021-34917?
CVE-2021-34917 has a severity rating that is classified as critical due to the potential for remote code execution.
How do I fix CVE-2021-34917?
To mitigate CVE-2021-34917, update Bentley View to version 10.16.02 or later.
What versions of Bentley products are affected by CVE-2021-34917?
CVE-2021-34917 affects Bentley View versions prior to 10.16.02 and Bentley MicroStation versions prior to 10.16.02.
Is user interaction required for CVE-2021-34917 exploitation?
Yes, user interaction is required to exploit CVE-2021-34917 as the user must visit a malicious page or open a malicious file.
What is the impact of CVE-2021-34917 if exploited?
If exploited, CVE-2021-34917 allows remote attackers to execute arbitrary code on affected installations of Bentley View.
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