4 abr. 2013

OWASP Top 10 2013 - Las 10 vulnerabilidades más Críticas

OWASP Top 10 es un proyecto dedicado a recopilar las vulnerabilidades más riesgosas para la seguridad de nuestras aplicaciones web.

El objetivo del proyecto Top 10 es crear conciencia acerca de la seguridad de las aplicaciones web mediante la identificación de algunos de los riesgos más críticos que enfrentan las organizaciones.

A medida que nuestra infraestructura digital crece, se hace cada vez más complejo lograr la seguridad total de las aplicaciones web. Diariamente hay muchos ataques cibernéticos y  ya no nos podemos dar el lujo de tolerar los problemas de seguridad como los que se presentan en este OWASP Top 10.

A continuación les dejo la OWASP Top 10 2013:



A1-Injection

Injection flaws, such as SQL, OS, and LDAP injection occur when untrusted data is sent to an interpreter as part of a command or query. The attacker’s hostile data can trick the interpreter into executing unintended commands or accessing unauthorized data.

A2–Broken Authentication and Session Management

Application functions related to authentication and session management are often not implemented correctly, allowing attackers to compromise passwords, keys, session tokens, or exploit other implementation flaws to assume other users’ identities.


A3–Cross-Site Scripting (XSS)

XSS flaws occur whenever an application takes untrusted data and sends it to a web browser without proper validation or escaping. XSS allows attackers to execute scripts in the victim’s browser which can hijack user sessions, deface web sites, or redirect the user to malicious sites.


A4–Insecure Direct Object References

A direct object reference occurs when a developer exposes a reference to an internal implementation object, such as a file, directory, or database key. Without an access control check or other protection, attackers can manipulate these references to access unauthorized data.


A5–Security Misconfiguration

Good security requires having a secure configuration defined and deployed for the application, frameworks, application server, web server, database server, and platform. All these settings should be defined, implemented, and maintained as many are not shipped with secure defaults. This includes keeping all software up to date.


A6–Sensitive Data Exposure

Many web applications do not properly protect sensitive data, such as credit cards, tax ids, and authentication credentials. Attackers may steal or modify such weakly protected data to conduct identity theft, credit card fraud, or other crimes. Sensitive data deserves extra protection such as encryption at rest or in transit, as well as special precautions when exchanged with the browser.

A7–Missing Function Level Access Control

Virtually all web applications verify function level access rights before making that functionality visible in the UI. However, applications need to perform the same access control checks on the server when each function is accessed. If requests are not verified, attackers will be able to forge requests in order to access unauthorized functionality.

A8-Cross-Site Request Forgery (CSRF)

A CSRF attack forces a logged-on victim’s browser to send a forged HTTP request, including the victim’s session cookie and any other automatically included authentication information, to a vulnerable web application. This allows the attacker to force the victim’s browser to generate requests the vulnerable application thinks are legitimate requests from the victim.

A9-Using Components with Known Vulnerabilities

Vulnerable components, such as libraries, frameworks, and other software modules almost always run with full privilege. So, if exploited, they can cause serious data loss or server takeover. Applications using these vulnerable components may undermine their defenses and enable a range of possible attacks and impacts.

A10–Unvalidated Redirects and Forwards

Web applications frequently redirect and forward users to other pages and websites, and use untrusted data to determine the destination pages. Without proper validation, attackers can redirect victims to phishing or malware sites, or use forwards to access unauthorized pages.


Más información: https://www.owasp.org/

Author & Editor

Ingeniero Civil en Computación (Universidad de Chile FCFM) y Diplomado en Gestión y Evaluación de Proyectos TI (Universidad de Chile FEN). Actualmente trabajo como Project Manager en varios proyectos y como asesor tecnológico para empresas.

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