Overview
The CVE-2025-5042 vulnerability is a critical flaw in the popular design and construction software, Autodesk Revit. This vulnerability specifically affects the way Autodesk Revit parses RFA files, a proprietary file format used for storing building components. Exploitation of this vulnerability could lead to system compromise, data leakage, or even arbitrary code execution. The severity of this vulnerability, as well as the widespread usage of Autodesk Revit in the architecture, engineering, and construction industries, makes it a high priority for mitigation.
Vulnerability Summary
CVE ID: CVE-2025-5042
Severity: High, CVSS Score 7.8
Attack Vector: Local Network
Privileges Required: User Level
User Interaction: Required
Impact: System compromise, data leakage, arbitrary code execution
Affected Products
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Product | Affected Versions
Autodesk Revit | All versions prior to and including version 2025
How the Exploit Works
The exploit works by tricking a user into opening a maliciously crafted RFA file with Autodesk Revit. Upon parsing the file, an out-of-bounds read occurs, leading to potential data leakage or a system crash. In addition, the vulnerability could be used for arbitrary code execution within the context of the Autodesk Revit process.
Conceptual Example Code
Below is a conceptual example of how the vulnerability might be exploited. In this example, a malicious user crafts an RFA file with out-of-bound values that cause the software to read data beyond its intended limit.
def craft_malicious_rfa():
rfa = RFAFile()
# Create a new RFA element with out-of-bound values
element = RFAElement()
element.set_values(out_of_bound_values)
# Add the malicious element to the RFA file
rfa.add_element(element)
return rfa
# Save the malicious RFA file
malicious_rfa = craft_malicious_rfa()
malicious_rfa.save("malicious.rfa")In this conceptual example, the `craft_malicious_rfa` function creates a new RFA file with a malicious element. The `out_of_bound_values` are designed to trigger an out-of-bounds read when parsed by Autodesk Revit. This malicious RFA file is then saved and can be used to exploit the vulnerability.
