CVE-2021-34923: Bentley View JT File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
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-14901.
Other sources
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View. 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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-34923?
CVE-2021-34923 has a high severity rating due to its potential for remote code execution.
How do I fix CVE-2021-34923?
To fix CVE-2021-34923, update Bentley View to version 10.16.02 or later.
What products are affected by CVE-2021-34923?
CVE-2021-34923 affects Bentley View versions prior to 10.16.02 and Bentley MicroStation versions prior to 10.16.02.
Is user interaction required to exploit CVE-2021-34923?
Yes, user interaction is required as the victim must visit a malicious page or open a malicious file.
What type of vulnerability is CVE-2021-34923?
CVE-2021-34923 is classified as a remote code execution vulnerability.