General Information

Unvalidated Redirect

Variants:
Direct Persistent Multiphase Session 

Also Known As:
Open Redirect, External Redirect, Phishing via Redirect, URL Redirector Abuse

Vector Type:
Attack

Relevance:
Generic

Layer:
Application-Level

Platforms:
Any

Target Type:
Web Application

Affected Mechanisms:
Input Validation, Secure Design

Invented In:
01/01/2005

Added In:
10/12/2014

Quick Introduction to the Topic:


Vector Operation Method:
Attackers can abuse features in the application that redirect users to user-controlled URL addresses, in order to craft malicious links that redirect unaware users to a phishing website, while relying on the trust the user holds for the domain address of the clicked link.


Direct Variant:

Unvalidated Redirect

Also Known As:
Open Redirect

Typical Severity:
Medium

Learn More:





Persistent Variant:

Stored Unvalidated Redirect

Also Known As:
Persistent Open Redirect

Typical Severity:
Major

Resources:

White Papers:

Learn More:


Multiphase Variant:

Multiphase Unvalidated Redirect

Variant Title:
Multiphase Unvalidated Redirect

Typical Severity:
Medium

Resources:

White Papers:

Learn More:


Session Variant:

Unvalidated Redirect via Session Puzzling

Variant Title:
Unvalidated Redirect via Session Puzzling

Typical Severity:
Medium

Resources:

White Papers:

Learn More: