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yaklang/saml-sso-assertion-attacks

Manual de ataques de aserción SAML SSO. Úselo al probar la validación de firmas, el encapsulamiento de aserciones, las restricciones de audiencia, el manejo de ACS, los límites de confianza XML y las fallas de SSO empresarial.

¿Qué es saml-sso-assertion-attacks?

Este skill proporciona un manual completo de ataques de aserción SAML SSO, diseñado para profesionales de seguridad y desarrolladores que realizan pruebas de penetración en sistemas de inicio de sesión único empresarial. Cubre vulnerabilidades críticas como la validación deficiente de firmas XML, el encapsulamiento de aserciones, restricciones de audiencia incorrectas, y el manejo inseguro de puntos finales ACS. Es compatible con herramientas como Burp Suite, OWASP ZAP, y scripts personalizados en yaklang. Al utilizar este skill, los usuarios pueden identificar y explotar fallos comunes en implementaciones SAML, evaluar la robustez de los límites de confianza XML, y documentar hallazgos de manera estructurada. Su enfoque práctico incluye ejemplos de payloads, configuraciones de prueba, y pasos detallados para replicar ataques en entornos controlados. Esto lo hace invaluable para evaluar la seguridad de soluciones SSO como ADFS, Okta, o Shibboleth.

Compatible con~Claude Code~Codex CLI~Cursor
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Documentación

¿Qué hace saml-sso-assertion-attacks?

Manual de ataques de aserción SAML SSO. Úselo al probar la validación de firmas, el encapsulamiento de aserciones, las restricciones de audiencia, el manejo de ACS, los límites de confianza XML y las fallas de SSO empresarial.

Descripción General

Este manual proporciona un conjunto de técnicas para evaluar la seguridad de implementaciones SAML SSO. Está orientado a pruebas de penetración y auditorías de seguridad.

Ataques Cubiertos

  • Validación de Firmas: Pruebas para omitir o manipular la verificación de firmas XML.
  • Encapsulamiento de Aserciones: Técnicas para modificar o reutilizar aserciones SAML.
  • Restricciones de Audiencia: Evaluación de la configuración de AudienceRestriction.
  • Manejo de ACS: Pruebas en el punto final AssertionConsumerService.
  • Límites de Confianza XML: Ataques como XML Signature Wrapping.
  • Fallos de SSO Empresarial: Vulnerabilidades comunes en implementaciones corporativas.

Requisitos

  • Herramientas como Burp Suite, OWASP ZAP, o yaklang.
  • Conocimiento básico de SAML y XML.
  • Entorno de pruebas controlado.

Uso

  1. Identifique el punto final SAML SSO.
  2. Seleccione el ataque a probar de la lista anterior.
  3. Siga los pasos detallados en cada sección.
  4. Documente los hallazgos.

Ejemplo de Payload

<saml:Assertion xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion" ID="_12345" IssueInstant="2023-01-01T00:00:00Z" Version="2.0">
  <saml:Issuer>https://idp.example.com</saml:Issuer>
  <saml:Subject>
    <saml:NameID Format="urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress">[email protected]</saml:NameID>
  </saml:Subject>
</saml:Assertion>

Recursos Adicionales

Individual skills in this repo

This repo contains 20 individual skills — each has its own dedicated page.

yaklang/401-403-bypass-techniques

401/403 bypass playbook. Use when encountering access-denied responses on admin panels, API endpoints, or restricted paths. Covers path manipulation, HTTP method tampering, header injection, protocol downgrade, and automated bypass tools.

yaklang/active-directory-acl-abuse

Active Directory ACL abuse playbook. Use when exploiting misconfigured AD permissions including GenericAll, WriteDACL, DCSync rights, shadow credentials, LAPS reading, GPO abuse, and BloodHound-guided attack paths.

yaklang/active-directory-certificate-services

AD Certificate Services attack playbook. Use when targeting misconfigured AD CS for privilege escalation via ESC1-ESC13 template abuse, NTLM relay to enrollment, CA officer abuse, and certificate-based persistence.

yaklang/active-directory-kerberos-attacks

Kerberos attack playbook for Active Directory. Use when targeting AD authentication via AS-REP roasting, Kerberoasting, golden/silver/diamond tickets, delegation abuse, or pass-the-ticket attacks.

yaklang/ai-ml-security

AI/ML security playbook. Use when assessing model supply chain attacks (pickle RCE, poisoned weights), adversarial examples, model poisoning, model stealing, data privacy attacks (membership inference, model inversion), and autonomous agent security risks.

yaklang/android-pentesting-tricks

Android pentesting playbook. Use when testing Android applications for SSL pinning bypass, exported component abuse, WebView vulnerabilities, intent redirection, root detection bypass, tapjacking, and backup extraction during authorized mobile security assessments.

yaklang/anti-debugging-techniques

Anti-debugging detection and bypass playbook. Use when reversing protected binaries that detect debuggers via ptrace, PEB flags, timing checks, or signal/exception handlers on Linux and Windows.

yaklang/api-auth-and-jwt-abuse

API authentication and JWT abuse playbook. Use when testing bearer tokens, API keys, claim trust, header spoofing, rate limits, and API auth boundary weaknesses.

yaklang/api-authorization-and-bola

API authorization and BOLA testing playbook. Use when APIs expose object identifiers, nested resources, hidden writable fields, or weak function-level authorization.

yaklang/api-recon-and-docs

API reconnaissance and documentation review playbook. Use when discovering endpoints, schemas, versions, OpenAPI specs, hidden docs, and surface area for API testing.

yaklang/api-sec

Entry P1 category router for API security. Use when choosing between API recon, authorization, token abuse, and hidden-parameter workflows before any deeper API topic skill.

yaklang/arbitrary-write-to-rce

Arbitrary write to RCE playbook. Use when you have an arbitrary write primitive (from heap exploitation, format string, or OOB write) and need to convert it into code execution by targeting GOT, hooks, _IO_FILE vtable, exit_funcs, TLS_dtor_list, modprobe_path, .fini_array, or C++ vtables.

yaklang/authbypass-authentication-flaws

Authentication bypass testing playbook. Use when assessing login flows, password reset logic, account recovery, MFA bypass, token predictability, brute-force resistance, and session boundary flaws.

yaklang/auth-sec

Entry P1 category router for authentication and authorization. Use when testing login flows, sessions, object authorization, JWT, OAuth, CORS, CSRF, and enterprise SSO weaknesses before any deeper auth topic skill.

yaklang/binary-protection-bypass

Binary protection bypass playbook. Use when identifying and bypassing ASLR, PIE, NX/DEP, stack canary, RELRO, FORTIFY_SOURCE, CET, and MTE protections in ELF binaries to enable exploitation.

yaklang/browser-exploitation-v8

Browser and V8 exploitation playbook. Use when exploiting JavaScript engine vulnerabilities including JIT type confusion, incorrect bounds elimination, and V8 sandbox bypass to achieve renderer RCE and sandbox escape in Chrome/Chromium.

yaklang/business-logic-vuln

Entry P1 category router for business logic testing. Use when workflow abuse, race conditions, pricing flaws, or multi-step state attacks matter more than parser-level input injection.

yaklang/business-logic-vulnerabilities

Business logic vulnerability playbook. Use when reasoning about workflows, race conditions, price manipulation, coupon abuse, state machines, and multi-step authorization gaps.

yaklang/classical-cipher-analysis

Classical cipher analysis playbook. Use when encountering substitution ciphers, Vigenere, transposition, XOR, or encoded text in CTF challenges that requires frequency analysis, Kasiski examination, or known-plaintext cryptanalysis.

yaklang/clickjacking

Clickjacking playbook. Use when testing whether target pages can be framed, whether X-Frame-Options or CSP frame-ancestors are properly configured, and whether UI redress attacks can trigger sensitive actions.

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