CVE-2021-34906: 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-14879.
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-2021-34906?
CVE-2021-34906 is considered to be of medium severity due to the potential for remote code execution.
How do I fix CVE-2021-34906?
To fix CVE-2021-34906, you should update Bentley View to version 10.16.02 or later.
Who is affected by CVE-2021-34906?
CVE-2021-34906 affects users of Bentley View version 10.15.0.75 and earlier, as well as Bentley MicroStation versions prior to 10.16.02.
What kind of attack is associated with CVE-2021-34906?
CVE-2021-34906 allows remote attackers to execute arbitrary code, requiring user interaction to be exploited.
Is user interaction necessary for CVE-2021-34906 to be exploited?
Yes, user interaction is required, as the target must visit a malicious page or open a harmful file to exploit CVE-2021-34906.
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