CVE-2021-46656: Bentley View JT File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
First published: Fri Feb 18 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 write 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-15631.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Bentley MicroStation | <10.16.02 | |
| Bentley View | <10.16.02 | |
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Reference Links
Frequently Asked Questions
What is CVE-2021-46656?
CVE-2021-46656 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?
This vulnerability can be exploited by remote attackers when the target visits a malicious page or opens a malicious file.
What is the severity of CVE-2021-46656?
The severity of CVE-2021-46656 is high with a CVSS score of 7.8.
What software is affected by CVE-2021-46656?
Bentley View 10.15.0.75 and Bentley MicroStation versions up to 10.16.02 are affected by CVE-2021-46656.
How can I fix CVE-2021-46656?
To fix CVE-2021-46656, users should update Bentley View and Bentley MicroStation to versions 10.16.02 or later.
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