info.cgi Environment Variable - Disclosure Detection
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Detected exposure of server environment variables through the info."""
from kittysploit import *
from lib.protocols.http.http_client import Http_client
class Module(Scanner, Http_client):
__info__ = {
'name': 'info.cgi Environment Variable - Disclosure Detection',
'description': 'Detected exposure of server environment variables through the info.cgi script. This can leak sensitive paths, internal IPs, software versions, credentials in env, etc.',
'author': ['KittySploit Team'],
'severity': 'medium',
'tags': ['web', 'scanner', 'misconfiguration', 'cgi', 'exposure', 'info', 'env', 'disclosure', 'generic'],
'agent': {
'risk': 'active',
'effects': ['network_probe'],
'expected_requests': 5,
'reversible': True,
'approval_required': False,
'produces': ['tech_hints', 'risk_signals', 'endpoints'],
'cost': 1.0,
'noise': 0.3,
'value': 1.0,
'requires': {
'min_endpoints': 0,
'min_params': 0,
'tech_hints_any': [],
'tech_hints_all': [],
'specializations_any': [],
'risk_signals_any': [],
'auth_session': False,
'capabilities_any': [],
'capabilities_all': [],
'confidence_min': {},
'confidence_min_any': {},
'endpoint_pattern_any': [],
'param_any': [],
'api_surface_ready': False,
},
'chain': {
'produces_capabilities': [
{
'capability': 'admin_surface',
'from_detail': '',
},
],
'consumes_capabilities': [],
'option_bindings': {},
'suggested_followups': ['auxiliary/scanner/http/login_page_detector'],
},
},
'references': [
'https://www.acunetix.com/vulnerabilities/web/test-cgi-script-leaking-environment-variables/',
'https://book.hacktricks.xyz/network-services-pentesting/pentesting-web/cgi',
],
}
def run(self):
for path in ('/info.cgi', '/cgi-bin/info.cgi', '/cgi-sys/info.cgi', '/scripts/info.cgi', '/lite-scripts/info.cgi'):
r = self.http_request(method="GET", path=path, allow_redirects=False)
if not r or r.status_code != 200:
continue
body = r.text or ""
body_any = ('SERVER_SOFTWARE', 'SERVER_NAME', 'GATEWAY_INTERFACE', 'SERVER_PROTOCOL', 'REQUEST_METHOD', 'QUERY_STRING', 'REMOTE_ADDR', 'HTTP_USER_AGENT', 'PATH=', '/bin:', '/usr/bin:', 'LD_LIBRARY_PATH', 'MYSQL_HOME', 'OPENSSL_CONF', 'DOCUMENT_ROOT', 'SCRIPT_FILENAME',)
if (any(m in body for m in body_any)):
self.set_info(
severity='medium',
reason="info.cgi Environment Variable - Disclosure detected",
path=path,
)
return True
return False
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28 Jul 2026 11:27Current
5.6Medium risk
Vulners AI Score5.6