Difference between revisions of "Open redirect"

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(Examples)
(Related Controls)
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==Related [[Controls]]==
 
==Related [[Controls]]==
  
* To avoid the open redirect vulnerability parameters of the application script/program must be validated before sending 302 HTTP code (redirect) to the client browser.
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* To avoid the open redirect vulnerability, parameters of the application script/program must be validated before sending 302 HTTP code (redirect) to the client browser.
 
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The server must have a relation of the authorized redirections (i.e. in a database)
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The server must have a relation of the authorized redirections (i.e. in a database).
  
 
==Related [[Technical Impacts]]==
 
==Related [[Technical Impacts]]==

Revision as of 08:19, 27 February 2009

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This is a Vulnerability. To view all vulnerabilities, please see the Vulnerability Category page.


Last revision (mm/dd/yy): 02/27/2009

Vulnerabilities Table of Contents

Description

An open redirect is an application that takes a parameter and redirects a user to the parameter value without any validation. This vulnerability is used in phishing attacks to get users to visit malicious sites without realizing it.

Consequences

Phishing

Platform All web platforms affected


Risk Factors

TBD

Examples

http://www.vulnerable.com?redirect=http://www.attacker.com

The phishing use can be more complex, using complex encoding:

Real redirect: http://www.vulnerable.com/redirect.asp?=http://www.links.com

Faked link: http://www.vulnerable.com/security/advisory/23423487829/../../../redirect.asp%3F%3Dhttp%3A//www.facked.com/advisory/system_failure/password_recovery_system

Related Attacks


Related Vulnerabilities

Related Controls

  • To avoid the open redirect vulnerability, parameters of the application script/program must be validated before sending 302 HTTP code (redirect) to the client browser.

The server must have a relation of the authorized redirections (i.e. in a database).

Related Technical Impacts


References

TBD