CVE-2021-46598 Memory corruption in MicroStation CONNECT
Remote attackers can execute arbitrary code by tricking users into opening malicious JT files in Bentley MicroStation.
- 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-2021-46598?
CVE-2021-46598 is a high-severity memory corruption 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 execute arbitrary code 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 JT files. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-15392.
Which versions are affected by CVE-2021-46598?
It affects 3 products.
Products include Bentley Microstation, Bentley Microstation Connect, Bentley View.
How do I fix CVE-2021-46598?
No fix has been published for CVE-2021-46598 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-46598 being exploited?
There is no known exploitation of CVE-2021-46598 in the wild and no public exploit code.
Other vulnerabilities in Bentley Microstation
Sources
Also known as GHSA-p22v-mfhv-699w.