CVE-2022-43655 Bentley View FBX File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

High 7.8 Published 7 May 2024 Updated 3 Aug 2024

Remote attackers can execute arbitrary code by tricking users into opening malicious FBX files in Bentley View.

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-2022-43655?

CVE-2022-43655 is a high-severity memory corruption vulnerability in Bentley View, published on 7 May 2024. 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

Bentley View FBX File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. 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 FBX files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-18491.

Weakness: CWE-122

Which versions are affected by CVE-2022-43655?

It affects 1 product.

Products include Bentley View.

How do I fix CVE-2022-43655?

No fix has been published for CVE-2022-43655 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-2022-43655 being exploited?

There is no known exploitation of CVE-2022-43655 in the wild and no public exploit code.

All Bentley View vulnerabilities

Sources

Also known as GHSA-8fp9-5px2-3h5v.