CVE-2022-41303 in FBX SDK
Summary
by MITRE • 10/14/2022
A user may be tricked into opening a malicious FBX file which may exploit a use-after-free vulnerability in Autodesk FBX SDK 2020 version causing the application to reference a memory location controlled by an unauthorized third party, thereby running arbitrary code on the system.
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Analysis
by VulDB Data Team • 05/14/2025
The vulnerability identified as CVE-2022-41303 represents a critical use-after-free flaw within Autodesk FBX SDK 2020 that enables remote code execution through malicious file manipulation. This issue specifically affects applications that utilize the FBX SDK for handling 3D model files, creating a significant attack surface for threat actors who can craft specially crafted FBX files to exploit the memory management weakness. The vulnerability stems from improper handling of memory allocation and deallocation processes within the SDK's parsing routines, where freed memory blocks are subsequently accessed without proper validation, creating a dangerous condition that adversaries can leverage for malicious purposes.
The technical exploitation of this vulnerability occurs when a user opens a maliciously crafted FBX file that triggers the use-after-free condition within the Autodesk FBX SDK. During the file parsing process, the SDK allocates memory for various data structures representing 3D model elements, and when these structures are freed, the memory is not properly invalidated or reallocated. An attacker can manipulate the FBX file structure to cause the application to reference this freed memory location, allowing them to control the execution flow and inject malicious code. This type of vulnerability falls under CWE-416 which specifically addresses use-after-free conditions, and represents a classic example of how improper memory management can lead to arbitrary code execution in software applications.
The operational impact of CVE-2022-41303 extends beyond simple application crashes or instability, as it enables full system compromise through remote code execution. Attackers can leverage this vulnerability to execute arbitrary commands with the privileges of the affected application, potentially leading to complete system takeover. The vulnerability is particularly concerning because FBX files are commonly used in professional 3D modeling, animation, and game development environments where users frequently open files from unknown or untrusted sources. This creates an ideal environment for social engineering attacks where users might unknowingly open malicious files that were delivered through phishing campaigns, compromised websites, or malicious third-party applications that utilize the FBX SDK.
Mitigation strategies for CVE-2022-41303 must address both immediate defensive measures and long-term architectural improvements to prevent similar vulnerabilities. Organizations should prioritize immediate patching of Autodesk FBX SDK 2020 installations, as Autodesk has released updated versions that address the memory management issues. Additionally, implementing strict file validation and sandboxing mechanisms can help contain potential exploitation attempts, while network-based intrusion detection systems should be configured to monitor for suspicious file access patterns. From a defensive standpoint, this vulnerability aligns with ATT&CK technique T1203 which covers exploitation of remote services, and organizations should consider implementing principle of least privilege access controls to limit the impact of successful exploitation attempts. The vulnerability also highlights the importance of secure coding practices and regular security assessments of third-party libraries and SDKs that applications depend upon, as these components often represent significant security risks when not properly maintained or updated.