CVE-2021-34899: 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-14866.
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-2021-34899?
CVE-2021-34899 is considered to have a high severity due to its potential for remote code execution.
How do I fix CVE-2021-34899?
To address CVE-2021-34899, it is recommended to update Bentley View to version 10.16.02 or later.
What products are affected by CVE-2021-34899?
CVE-2021-34899 affects Bentley View versions prior to 10.16.02 and Bentley MicroStation up to the same version.
What type of attack can exploit CVE-2021-34899?
CVE-2021-34899 can be exploited by remote attackers through malicious web pages or files requiring user interaction.
Is user interaction required to exploit CVE-2021-34899?
Yes, user interaction is required for exploiting CVE-2021-34899, as the victim must visit a malicious page or open a harmful file.