CVE-2021-34894: Bentley View 3DS File Parsing Use-After-Free 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 3DS files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14847.
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 3DS files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. 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-2021-34894?
CVE-2021-34894 has been classified as a critical vulnerability that allows remote code execution.
How can I fix CVE-2021-34894?
To fix CVE-2021-34894, users should update Bentley View to version 10.16.02 or later.
What products are affected by CVE-2021-34894?
CVE-2021-34894 affects Bentley View version 10.15.0.75 and earlier, as well as Bentley MicroStation up to version 10.16.02.
What is required to exploit CVE-2021-34894?
Exploitation of CVE-2021-34894 requires user interaction, as the target must visit a malicious webpage or open a malicious file.
What are the potential impacts of CVE-2021-34894?
The potential impact of CVE-2021-34894 includes unauthorized remote code execution on vulnerable installations.