CVE-2021-46596 Information disclosure in MicroStation CONNECT
Remote attackers can disclose sensitive information via malicious OBJ files in Bentley MicroStation, potentially leading to arbitrary code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-46596?
CVE-2021-46596 is a low-severity vulnerability in Bentley Microstation, published on 18 Feb 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Bentley MicroStation CONNECT 10.16.0.80. 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 OBJ files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-15390.
Weakness: CWE-125
Which versions are affected by CVE-2021-46596?
It affects 3 products.
Products include Bentley Microstation, Bentley Microstation Connect, Bentley View.
How do I fix CVE-2021-46596?
No fix has been published for CVE-2021-46596 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-46596 being exploited?
There is no known exploitation of CVE-2021-46596 in the wild and no public exploit code.
Other vulnerabilities in Bentley Microstation
Sources
Also known as GHSA-g994-6m39-q8h3.