CVE-2021-34872: Bentley View SKP 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 SKP 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-14737.
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 CVE-2021-34872?
CVE-2021-34872 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Bentley View 10.15.0.75.
How can this vulnerability be exploited?
To exploit this vulnerability, the target must visit a malicious page or open a malicious file.
Which software versions are affected by CVE-2021-34872?
Bentley View versions up to (but not including) 10.16.02 and Bentley MicroStation versions up to (but not including) 10.16.02 are affected by this vulnerability.
What is the severity of CVE-2021-34872?
The severity of CVE-2021-34872 is high with a CVSS score of 7.8.
How can I fix CVE-2021-34872?
To fix CVE-2021-34872, users should update their Bentley View and Bentley MicroStation software to version 10.16.02 or later.
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