CVE-2021-34912: 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-14885.
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-2021-34912?
CVE-2021-34912 has a critical severity rating due to its potential for remote code execution.
How do I fix CVE-2021-34912?
To mitigate CVE-2021-34912, users should upgrade Bentley View and MicroStation to versions greater than 10.16.02.
Who is affected by CVE-2021-34912?
CVE-2021-34912 affects installations of Bentley View 10.15.0.75 and MicroStation versions below 10.16.02.
What type of vulnerability is CVE-2021-34912?
CVE-2021-34912 is classified as a remote code execution vulnerability requiring user interaction.
What exploit method is used in CVE-2021-34912?
CVE-2021-34912 requires the user to visit a malicious webpage or open a malicious file to exploit the vulnerability.
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