CVE-2021-34930: Bentley View JT File Parsing Out-Of-Bounds Read 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 JT files. Crafted data in a JT file can trigger a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14908.
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-2021-34930?
CVE-2021-34930 is a critical vulnerability that allows remote code execution on affected Bentley software.
How do I fix CVE-2021-34930?
To fix CVE-2021-34930, upgrade Bentley View and Bentley MicroStation to versions above 10.16.02.
What software is affected by CVE-2021-34930?
CVE-2021-34930 affects Bentley View version 10.15.0.75 and earlier, as well as Bentley MicroStation up to 10.16.02.
What type of attack does CVE-2021-34930 enable?
CVE-2021-34930 enables remote attackers to execute arbitrary code on vulnerable installations.
Is user interaction required to exploit CVE-2021-34930?
Yes, user interaction is required as the victim must visit a malicious page or open a malicious file.
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